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Top 50 CleanTech Angel Investors in United States (August 2026)

The most active angel investors investing in United States CleanTech startups. This investor list is updated monthly from the Shizune investor database, ranked by number of investments in United States CleanTech startup companies. Find investors to raise a Pre-Seed, Seed or Series A round with Shizune.
Investor Relevant Deals Geography Stage Focus Round Size
David E. Weekly
Angel
3 United States, Israel Seed, Angel, Pre-Seed Drones, Robotics, Aerospace $33k–$1.1M
Scott Belsky
Angel
3 United States, United Kingdom, Germany Seed, Series A, Pre-Seed Software, Artificial Intelligence, Internet $1.1M–$50M
Luigi Bajetti
Angel
2 United States, Italy, Luxembourg Pre-Seed, Seed, Series A Software, Information Technology, Apps
Aleksander Stefanowicz
Angel
2 United States, Estonia Seed, Pre-Seed, Series B Big Data, Software, CleanTech $11k–$300k
Rayyan Islam
Angel
2 United States, France, Switzerland Seed, Series A, Venture - Series Unknown Renewable Energy, Energy, Manufacturing $230k–$250M
Yoav Lurie
Angel
2 United States Series A, Series B Energy, Software, CleanTech $3.3M–$11M
Vladimir Vassilevsky
Angel
2 United States Angel, Pre-Seed CleanTech, Food Delivery, Electric Vehicle
Sebastien de Halleux
Angel
2 United States, France, Belgium Seed, Pre-Seed, Angel Software, SaaS, Transportation $4.3M–$9M
Warren Buffett
Angel
2 United States, Ghana, Japan Seed, Pre-Seed, Series A Health Care, Software, Health Diagnostics $1k–$14M
Ashley Mayer
Angel
2 United States, Germany Seed, Series A, Pre-Seed Wellness, Health Care, Fashion $2M–$36M
Bill Gates
Angel
2 United States, Canada, Israel Series C, Series A, Series B Energy, Biotechnology, Renewable Energy $12M–$161M
Howard Wenger
Angel
2 United States, Australia Seed, Pre-Seed, Series A Software, Solar, Energy $4.6M–$5.4M
Marc Tarpenning
Angel
2 United States, France, Denmark Series A, Seed, Series D Renewable Energy, CleanTech, Automotive $1.5M–$36M
Mark Cuban
Angel
2 United States, United Kingdom, Canada Seed, Series A Software, Artificial Intelligence, Blockchain $600k–$23M
Jeff Bezos
Angel
2 United States, United Kingdom, India Grant, Series B, Seed Software, Non Profit, Information Technology $800k–$480M
Rex Burgdorfer
Angel
2 United States, United Kingdom Seed, Series A Fashion, Real Estate, Software $1.5M–$6M
Luke Kupersmith
Angel
2 United States Angel CleanTech, Clean Energy, Renewable Energy $500k–$500k
Rand Hindi
Angel
2 France, United States, Germany Seed, Pre-Seed Software, Cryptocurrency, Information Technology $125k–$11M
Kathy Fields
Angel
2 United States Series A, Seed, Series B Water, CleanTech, Health Care $5.5M–$9.4M
Elizabeth Cutler
Angel
2 United States Seed, Series A, Pre-Seed Women's, E-Commerce, Health Care $500k–$9.4M
Justin Hamilton
Angel
2 United States, India, Canada Seed, Pre-Seed Software, Aerospace, CleanTech $910k–$10M
Eugene Goldberg
Angel
2 United States Angel CleanTech, Clean Energy, Renewable Energy $500k–$500k
Edward Kim
Angel
2 United States Angel CleanTech, Clean Energy, Renewable Energy $500k–$500k
Chris Sang
Angel
2 United States, Australia, India Seed, Pre-Seed, Series A Software, E-Commerce, FinTech $343k–$21M
Elon Musk
Angel
2 United States, Japan Series A, Series B, Pre-Seed FinTech, Apps, Biotechnology $7.5M–$107M
Tobias Lutke
Angel
2 United States, Canada, United Kingdom Series A, Seed, Series B Software, Artificial Intelligence, FinTech $609k–$74M
Preston Schell
Angel
1 United States Seed CleanTech
Terrence "Pusha T" Thornton
Angel
1 United States Seed, Series A Music, Film, News
Ihar Mahaniok
Angel
1 United States, Canada, Ukraine Seed, Pre-Seed, Series A Software, Information Technology, Artificial Intelligence $179k–$21M
James Beshara
Angel
1 United States, India, France Seed, Series A, Pre-Seed Software, Apps, E-Commerce $1M–$15M
Ram Shriram
Angel
1 United States, India, Canada Series A, Seed Software, Artificial Intelligence, Information Technology $1.8M–$31M
Joe Gebbia
Angel
1 United States, Brazil, United Kingdom Series B, Series A, Seed E-Commerce, Payments, Art $120k–$55M
Jon Soberg
Angel
1 United States, Germany, Israel Seed, Series A, Series B Financial Services, FinTech, Software $1M–$45M
Manu Ginobilli
Angel
1 United States, Argentina Seed, Series A, Series B Information Technology, Artificial Intelligence, SaaS $2.6M–$3.9M
Dwayne Douglas Johnson
Angel
1 United States Pre-Seed Sports, Farming, CleanTech
Jason Haider
Angel
1 United States Series A Energy, CleanTech, Industrial
Aviram Jenik
Angel
1 South Korea, United States, Israel Angel, Seed, Pre-Seed Software, Cyber Security, Machine Learning
Summer Watson
Angel
1 United States Series A CleanTech, GreenTech, Automotive
Mark Vadon
Angel
1 United States Series A, Seed, Series C E-Commerce, Retail, Health Care
Vernon Davis
Angel
1 United States Seed, Series B Food and Beverage, Sustainability, Coffee
Kim Kardashian
Angel
1 United States Seed, Pre-Seed, Series A Farming, Medical, Delivery
Mark Heising
Angel
1 United States Series A, Series B, Series C Electronics, Energy, Chemical
Dave Peacock
Angel
1 United States Seed, Series C Coffee, Legal, Mobile
Sylvain Theveniaud
Angel
1 France, United States Seed, Pre-Seed AgTech, Finance, Aerospace
Curtis Jackson
Angel
1 United States Pre-Seed, Series C Mobile, Retail, Farming
Patrick Tilley
Angel
1 United States Pre-Seed Energy, CleanTech, Agriculture
Katie Stanton
Angel
1 United States, The Netherlands Seed, Series A, Pre-Seed Software, Health Care, E-Commerce
Ashton Kutcher
Angel
1 United States, Germany, Canada Seed, Series A, Series B Software, E-Commerce, Apps
David Mytton
Angel
1 United States, United Kingdom, Germany Seed, Pre-Seed, Series A Software, Developer Tools, Information Technology
Drin Ahmeti
Angel
1 United States Seed Software, CleanTech, Infrastructure
Access all 230 angel investors in United States CleanTech startups.

Access 48,091 investors

822 industries, 177 countries. Updated daily. Emails and phones included.

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Investor list

David E. Weekly
Angel · Redwood City, California, United States · 3 investments in United States CleanTech startups

David E. Weekly is the Head of The Capital One Lab of Capital One. He previously worked at Medcorder as a Founder and CEO. David E. Weekly attended Stanford University.

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Investment focus

  • Industry: Drones, Robotics, Aerospace
  • Stage:Seed, Angel, Pre-Seed
  • Geography: United States, Israel

Investor stats

  • Total investments: 12
  • Round size: Seed $33k–$1.1M; Angel $1M–$1M; Pre-Seed $100k–$120k
  • Lead/follow: 0% lead, 100% follow

Portfolio highlights

  • Mast Reforestation — No-cost reforestation for post-wildfire burned acreage for landowners and foresters, funded by carbon removal credits.
  • Sugarlogix — A precise reflection of human milk to provide the best nutrition for babies
  • Mast Reforestation — No-cost reforestation for post-wildfire burned acreage for landowners and foresters, funded by carbon removal credits.
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Scott Belsky
Angel · New York, New York, United States · 3 investments in United States CleanTech startups, 18 in the past 12 months

Scott Belsky is currently a Partner at A24, where he leads technology and innovation projects. He previously served as the Chief Strategy Officer and Executive Vice President of Design & Emerging Products at Adobe. He attended Harvard Business School.

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Investment focus

  • Industry: Software, Artificial Intelligence, Internet
  • Stage:Seed, Series A, Pre-Seed
  • Geography: United States, United Kingdom, Germany

Investor stats

  • Total investments: 260
  • Round size: Seed $2M–$8.7M; Pre-Seed $1.1M–$5M; Series A $10M–$50M
  • Lead/follow: 2% lead, 98% follow

Portfolio highlights

  • Meticulous — Meticulous auto-generates and auto-maintains visual frontend browser tests, providing a level of coverage that is unattainable with manually written tests.
  • Osmo Studio — Osmo is an AI-native video editor for product launch videos and motion graphics. Turn ideas, Figma files, and footage into polished, on-brand animations, built as editable code.
  • Gravity — The Ad Network for AI
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Luigi Bajetti
Angel · Silicon Valley, California, United States · 2 investments in United States CleanTech startups

Luigi Bajetti is the managing partner and founder of Lombardstreet Ventures, an early-stage venture capital firm in Menlo Park, California.Luigi is a serial entrepreneur with over 25 years of experience in the tech and internet industries, with a wealth of knowledge and expertise in building and scaling startups.As a full-time investor since2013, he has been leveraging his experience and insights to identify and support the next generation of Silicon Valley founders. With a passion for backing game-changing technologies and a talent for spotting emerging trends, Luigi has a proven track record of success in identifying groundbreaking startups. He has invested almost always at the earliest possible stage of seed in 20+ US startups valued at over $30 billion combined, including 9 that have since become unicorns.

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Investment focus

  • Industry: Software, Information Technology, Apps
  • Stage:Pre-Seed, Seed, Series A
  • Geography: United States, Italy, Luxembourg

Investor stats

  • Total investments: 47
  • Lead/follow: no public data

Portfolio highlights

  • Cardenxe Sotol — Artisanal Small Batch 100% Sotol Spirit Cardenxe Sotol is a terroir-inspired premium craft spirit, distilled from the heart of the Dasylirion plant, in North of Mexico - where it holds a Denomination of Origin. Every label (Desierto and Sierra) honors a different environment in which the plants used to distill grew.
  • Terraformation — Terraformation creates partnerships to scale reforestation with hardware, software, and knowledge based solutions.
  • Rebellyous Foods — Rebellyous Foods makes crispy, juicy, 100% plant-based nuggets. Your guests will love the taste. Your team will love the simplicity. Get Rebellyous with us!
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Aleksander Stefanowicz
Angel · 2 investments in United States CleanTech startups

Private investor (10+ years), blockchain enthusiast since 2013, co-founder of a few companies with a demonstrated history of working in the information technology and finance, with scientific background (Doctoral degree in materials science and renewable energy from Ruhr-Universität Bochum). My investment interests are basically focused in thefollowing areas: GreenTech (renewable energy, waste recycling, other sustainable technologies), cutting edge technologies for medicine and pharmacy, IT, FinTech, blockchain (only deeptech blockchain-based applied projects). Be free, constantly evolve, improve the world and win. It's my credo.

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Investment focus

  • Industry: Big Data, Software, CleanTech
  • Stage:Seed, Pre-Seed, Series B
  • Geography: United States, Estonia

Investor stats

  • Total investments: 4
  • Round size: Pre-Seed $11k–$300k
  • Lead/follow: 25% lead, 75% follow

Portfolio highlights

  • DEIP — DEIP provides a set of Web 3.0 protocols, tools, and applications for the creative economy. The core protocol is Web 3.0 protocol for Intellectual Capital.DEIP Protocol (or Intellectual Capital Protocol) is a decentralized protocol that allows discovering, evaluation, licensing, and exchange of intangible assets, designed specifically forintangible assets tokenization (as F-NFT), governance (via DAO), and liquidity (via DeFi instruments and derivatives).DEIP Network is an application-specific Polkadot Parachain built with Substrate 3.0 Framework and implements various creative economy protocols: the core protocol is Intellectual Capital Protocol, and on top of it the network implements Collective Intelligence Protocol, Dynamic Liquidity Protocol, and others.
  • BANTgo — BANTgo creates a passive income stream for the growing online food delivery market with an Adtech GO-OOH platform that mobilizes brands and displays non-competitive location-based advertising in real-time. We also offer Eaters, our Blockchain enabled recycling app called GO-Cycle app which allows Eaters to recycle and engage in sustainablebehaviors in exchange for discounts, clean coins and other tokens.
  • Aria Pharmaceuticals — Aria Pharmaceuticals is a preclinical-stage pharmaceutical company discovering and developing novel small molecule therapies for complex and hard-to-treat diseases. Too many patients today are in need of breakthrough treatments across many complicated diseases – they can't wait. That's why at Aria, we have redefined the drug discoveryapproach, saving years in the process and increasing success rates 30 times higher than traditional methods. At Aria, we've shown promise across a diverse range of therapeutic areas with the ability to address over 1,000 diseases.
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Rayyan Islam
Angel · Los Angeles, California, United States · 2 investments in United States CleanTech startups

Rayyan Islam is the Co-Founder and General Partner at 8090 Industries. As serial entrepreneur, investor and advisor focused on industrial technology and the low-carbon economy, the companies Rayyan's invested in, sourced and advised have grown to over $8B in market value and have gone to raise further financing from the likes of SequoiaCapital, Union Square Ventures, Lux Capital, Andreessen Horowitz, Venrock, Khosla Ventures and Bill Gates's Breakthrough Energy Ventures. Rayyan previously spent time helping source technology investments for multiple family offices globally, particularly focused towards industrialists based in the Texas and American midwest region and began his VC career at leading East Coast seed stage venture firm, Romulus Capital, where he sourced the firm’s most valued investment, EquipmentShare.A product manager by trade, he worked stints at Spotify, was on the founding team of a subscription airline and began his career supporting M&A transactions for industrial clients at Deloitte as well as economic developments efforts for Deloitte Consulting’s Emerging Markets Practice. Rayyan is a Forbes 30U30 Fellow, served as a United Nations Youth Delegate and is a recipient of the Outstanding Youth Delegate Award.Influenced by his family upbringing in Bangladesh, he personally witnessed energy security issues and the ramifications of climate change at a young age and its impact on communities around the world. Determined to make a serious dent on the issue, Rayyan supports a cadre of climate solutions, drafted policy recommendations to President Joe Biden’s climate transition team and is the editor of Decarbon Weekly, a decarbonization focused newsletter which counts leading climate scientists, members of state and local governments, climate tech founders and ESG focused investors and foundations amongst its subscription base. Rayyan co-founded the industrial decarbonization fund at 8090 Partners, in partnership with prominent industrial and energy families from around the world to invest, support and accelerate breakthrough technology companies decarbonizing every industrial sector driven by radical economic advantages.Rayyan and his work has been featured on Bloomberg, Yahoo Finance, Huffington Post and Forbes.

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Investment focus

  • Industry: Renewable Energy, Energy, Manufacturing
  • Stage:Seed, Series A, Venture - Series Unknown
  • Geography: United States, France, Switzerland

Investor stats

  • Total investments: 42
  • Round size: Seed $230k–$15M; Series A $950k–$50M; Venture - Series Unknown $69M–$250M
  • Lead/follow: 12% lead, 88% follow

Portfolio highlights

  • Pipe — Get up to the full annual value of your booked monthly and quarterly contracts. Scale your business without dilution or debt.
  • Cache — Biomolecules are the next bits of the 21st century. So we're developing the first wet operating system for storing, accessing, and computing biomolecules at scale to make them widely accessible and useful. We're enabling the storage and access to the whole data universe—digital and biological—forever so that we don't have to deleteor dispose of anything ever again.
  • Renaissance Fusion — Renaissance Fusion is a high-temperature superconductor and stellarator company.
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Yoav Lurie
Angel · Boulder, Colorado, United States · 2 investments in United States CleanTech startups

Yoav Lurie is an EHF Fellow at Edmund Hillary Fellowship. He is a SaaS Entrepreneur, Operator, and Investor focused on scaling impact companies.Yoav was the Founder and CEO of Simple Energy, which merged with Tendril in July 2019 to form Uplight, the leader in delivering a modern customer energy experience, in order to accelerate the clean energyecosystem.

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Investment focus

  • Industry: Energy, Software, CleanTech
  • Stage:Series A, Series B
  • Geography: United States

Investor stats

  • Total investments: 3
  • Round size: Series A $3.3M–$11M
  • Lead/follow: 0% lead, 100% follow

Portfolio highlights

  • WattBuy — At WattBuy, we’re focused on an ambitious vision: making cleaner, more affordable electricity accessible to every household. We’re looking to bring on team members to help us reach that goal. Based in NYC, DC, and Seattle, WattBuy is a team of product leaders and engineers from Google and Amazon who share a love of using technology to tackleinequality and positively impact the climate.
  • WeaveGrid — WeaveGrid operates with utilities and owners of electric vehicles (EV) to allow and speed up transportation electrification. Using machine learning, optimization, and predictive analytics, the company's software solution solves several EV-grid integration challenges for utilities in a systems-oriented manner; helps integrate renewable energyresources on the grid; and saves utility customers' money on their bills.
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Vladimir Vassilevsky
Angel · Riga, Riga, Latvia · 2 investments in United States CleanTech startups

Vladimir Vassilevsky

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Investment focus

  • Industry: CleanTech, Food Delivery, Electric Vehicle
  • Stage:Angel, Pre-Seed
  • Geography: United States

Investor stats

  • Total investments: 2
  • Lead/follow: 100% lead, 0% follow

Portfolio highlights

  • BANTgo — BANTgo creates a passive income stream for the growing online food delivery market with an Adtech GO-OOH platform that mobilizes brands and displays non-competitive location-based advertising in real-time. We also offer Eaters, our Blockchain enabled recycling app called GO-Cycle app which allows Eaters to recycle and engage in sustainablebehaviors in exchange for discounts, clean coins and other tokens.
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Sebastien de Halleux
Angel · San Francisco, California, United States · 2 investments in United States CleanTech startups

Sebastien de Halleux has a 20-year track-record of launching startups around the world, leading them from idea to success. Sebastien is currently Chief Gaming Officer at Matchday, building a new type of game for football's 5 billion fans. Sebastien is also a founding General Partner at Graph Ventures, an early stage fund with a portfolio of300+ companies including Blue Apron, Ipsy, Envoy, and Dapper Labs. Most recently, Sebastien was Entrepreneur-in-Residence at Capricorn, a pioneering investment group focused on scaling innovative solutions to persistent global problems, including key investments in Tesla, SpaceX, Planet Labs, Quantumscape and Joby Aviation and founding COO of Saildrone, helping launch a category-defining company which revolutionized planetary data collection at sea, using wind and solar powered ocean drones. At the confluence of autonomy, big data and AI/ML, Saildrone pursued a vision called ‘The Quantified Planet’ to help better understand key planetary systems that affect humanity, such as extreme weather, ocean acidification, and global fisheries. Formerly, Sebastien was Co-Founder and COO of Playfish, one of the largest and fastest growing social video games companies which was acquired by Electronic Arts in 2009 (Nasdaq:EA). Prior to founding Playfish, Sebastien helped launch Glu Mobile, an early pioneer in mobile games which IPO'ed in 2007 (Nasdaq:GLUU) and held innovation and strategy roles at Nokia and Booz Allen Hamilton. Sebastien is the recipient of the 2012 EA Emerging Leaders Award, the 2011 Tech 100 award, the 2010 TechFellow award, and the 2003 Booz Allen Professional Excellence Award. His contribution in establishing a successful public-private partnership between Saildrone and the National Oceanic and Atmospheric Administration (NOAA) was recognized with the 2020 Ron Brown Excellence in Innovation Award and the 2018 US Department of Commerce Bronze Medal. Sebastien has served on the boards of Saildrone, Samasource, Vittana, UWC-USA, the Solar Fuel Institute, and Trusted Family. Sebastien holds a Master’s degree in Civil and Environmental Engineering from Imperial College London and is a Henry Crown Fellow at the Aspen Institute.

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Investment focus

  • Industry: Software, SaaS, Transportation
  • Stage:Seed, Pre-Seed, Angel
  • Geography: United States, France, Belgium

Investor stats

  • Total investments: 17
  • Round size: Seed $4.3M–$9M
  • Lead/follow: 0% lead, 100% follow

Portfolio highlights

  • Formally — Formally is a platform for legal collaboration. We leverage intelligent technology with behavioral science to create a whole new category of legal tech. And it all starts with immigration.
  • Kosmik — Transform your creative workflow with Kosmik's AI moodboard maker. Built-in browser, real-time collaboration, and infinite canvas for moodboarding.
  • Wet Dog Weather — Wet Dog Weather makes a SaaS platform for weather and sensor data dissemination and display. Our focus is on fact, interactive, and performant interactive data visualization.
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Warren Buffett
Angel · Omaha, Nebraska, United States · 2 investments in United States CleanTech startups

Warren Edward Buffett is based out of Omaha, Nebraska, and is the Co-Founder of Susan Thompson Buffett Foundation. Warren previously worked at Berkshire Hathaway as a President and Chief Executive Officer. Warren Edward Buffett attended the Columbia University.

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Investment focus

  • Industry: Health Care, Software, Health Diagnostics
  • Stage:Seed, Pre-Seed, Series A
  • Geography: United States, Ghana, Japan

Investor stats

  • Total investments: 16
  • Round size: Seed $1.7k–$1M; Pre-Seed $1k–$3.3M; Series A $10M–$14M
  • Lead/follow: 50% lead, 50% follow

Portfolio highlights

  • COOK — COOK is a manufacturer and retailer of frozen ready meals.
  • Cashican People LLC — Cashica is a quantitative cryptocurrency investment firm that aims at web3 and metaverse innovations across the world. Cashican also named Cashican People LLC was founded in 2017 and is headquarted in New York.
  • HempNFibers — Growing hemp. Making a bio fuel to start. Than also an insulation out of it as well. Will look at doing more as company grows. I also know a way to power a whole warehouse by just the plants it’s self but I need funding to get this started. I’m building the transportation side just so I can gain an income to try and get this started.
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Ashley Mayer
Angel · San Francisco, California, United States · 2 investments in United States CleanTech startups

Ashley Mayer is the Operating Council at Mixing Board . Ashley Mayer attended Georgetown University.

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Investment focus

  • Industry: Wellness, Health Care, Fashion
  • Stage:Seed, Series A, Pre-Seed
  • Geography: United States, Germany

Investor stats

  • Total investments: 14
  • Round size: Seed $2.5M–$12M; Pre-Seed $2M–$2.5M; Series A $14M–$36M
  • Lead/follow: 0% lead, 100% follow

Portfolio highlights

  • Pogo — Unlock the power of your data to earn and save on shopping, finances and more. Download the Pogo app today to start earning and saving cash. 4.9 stars in the App Store.
  • Pogo — Unlock the power of your data to earn and save on shopping, finances and more. Download the Pogo app today to start earning and saving cash. 4.9 stars in the App Store.
  • Somethings — Somethings connects teens with a Certified Peer Specialist Mentor who provide a safe, trustworthy space to feel their best and combat loneliness.
Show all investments...

Access 48,091 investors

822 industries, 177 countries. Updated daily. Emails and phones included.

Browse database — It's Free!
Bill Gates
Angel · Washington, District of Columbia, United States · 2 investments in United States CleanTech startups

Bill Gates is the Co-chair of Bill and Melinda Gates Foundation. He attended Harvard University.

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Investment focus

  • Industry: Energy, Biotechnology, Renewable Energy
  • Stage:Series C, Series A, Series B
  • Geography: United States, Canada, Israel

Investor stats

  • Total investments: 95
  • Round size: Series A $12M–$105M; Series B $14M–$161M; Series C $14M–$135M
  • Lead/follow: 23% lead, 77% follow

Portfolio highlights

  • Koloma — Koloma is revolutionizing clean energy by harnessing naturally occurring hydrogen from deep within the Earth.
  • TerraPower — Leading innovations in nuclear applications for reactor and storage technology, while advancing methods to transform the fight against cancer.
  • Lucy Therapeutics — Lucy Therapeutics, a Boston-based biotech with a unifying mitochondrial platform, is developing small molecule treatments for neurological diseases.
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Howard Wenger
Angel · 2 investments in United States CleanTech startups

Howard Wenger serves as SunPower president, regions and is responsible for the company’s global residential, commercial, utilities and power plants business, including sales, business development, customer operations, sales and finance operations, and engineering, procurement and construction. Wenger also serves as president of SunPowerCorporation, Systems, the company’s turn-key power systems group. Previously, he was SunPower president, utility and power plant (UPP), and from 2007 through 2009, Wenger served as president, global business units, where he helped grow SunPower’s sales more than 500 percent. Prior to the company’s acquisition of PowerLight Corporation in 2007, Wenger held positions at PowerLight as executive vice president and a member of its board, and as vice president, North American Business, for AstroPower, Inc (acquired by General Electric.) During his career in the solar and utility power field, Wenger has authored dozens of papers and public policies to mainstream solar power and developed software programs and tools still in use today. Wenger holds a B.A. in Environmental Studies at the University of California, Santa Barbara, and an M.S. in Engineering from the University of Colorado, Boulder.

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Investment focus

  • Industry: Software, Solar, Energy
  • Stage:Seed, Pre-Seed, Series A
  • Geography: United States, Australia

Investor stats

  • Total investments: 5
  • Round size: Series A $4.6M–$5.4M
  • Lead/follow: 0% lead, 100% follow

Portfolio highlights

  • OpenSolar — OpenSolar connects homeowners, solar professionals, and partners with free software to design, sell, and manage fast, accurate solar projects.
  • Station A — Station A helps real estate owners and long-term tenants rapidly identify and install solar, battery, and EV charging projects.
  • Pegasus Solar — Pegasus Solar provides advanced mounting systems and cutting-edge installation solutions to the solar industry.
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Marc Tarpenning
Angel · San Francisco, California, United States · 2 investments in United States CleanTech startups

Marc Tarpe is based out of Redwood City, California and serves as the Venture Partner of Spero Ventures and also serves as the Board of Director of Wattch. Marc previously served as Co-Founder of Tesla. Marc attended the University of California, Berkeley.

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Investment focus

  • Industry: Renewable Energy, CleanTech, Automotive
  • Stage:Series A, Seed, Series D
  • Geography: United States, France, Denmark

Investor stats

  • Total investments: 15
  • Round size: Seed $1.5M–$6M; Series A $5M–$36M
  • Lead/follow: 53% lead, 47% follow

Portfolio highlights

  • Artelize — Discover events, performers and works within classical music, opera, musical, ballet & dance and drama. 497542 events, and 119439 artists and creators.
  • Telo Trucks — Say hello to TELO, the all-electric mini truck. Designed from the ground up for efficiency and practicality.
  • Alta Motors — Alta Motors designs and manufactures the most advanced electric vehicle technology on the planet. With our first product, The Redshift, we are creating a motorcycle that is faster and easier than anything else out there. An electric motor means smooth power delivery, instant throttle response and flat, endless torque.
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Mark Cuban
Angel · Dallas, Texas, United States · 2 investments in United States CleanTech startups, 11 in the past 12 months

Mark Cuban is the founder of Fireside, Chairman and Founding Partner of AXS TV, and the Owner of Dallas Mavericks. He previously worked at Broadcast.com as a Co-Founder. Mark Cuban attended the Indiana University Bloomington.

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Investment focus

  • Industry: Software, Artificial Intelligence, Blockchain
  • Stage:Seed, Series A
  • Geography: United States, United Kingdom, Canada

Investor stats

  • Total investments: 211
  • Round size: Seed $600k–$9M; Series A $3.2M–$23M
  • Lead/follow: 23% lead, 77% follow

Portfolio highlights

  • Payam Music — Payam Music is where students fall in love with piano. Not only do they have fun but they win competitions. Endorsed by composer Hans Zimmer. Sign up for a trial in-person or online lesson!
  • Kind Designs — Kind Designs is a trusted 3D Printed seawall contractor in Miami offering custom seawall construction, shoreline protection, erosion control solutions.
  • The Athletics — The Athletics franchise is a professional spectator sports organization that operates a Major League Baseball club. The company manages athletic team rosters, player scouting, talent development, and medical staff for its baseball operations. It coordinates live event production, stadium technology, corporate sponsorships, and ticket saleslogistics for professional games. Additionally, the business oversees regional television, radio, and streaming broadcast infrastructure to distribute sports media content.
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Jeff Bezos
Angel · Seattle, Washington, United States · 2 investments in United States CleanTech startups, 7 in the past 12 months

Jeffrey Preston Bezos is the Founder of Blue Origin. He previously worked at Cashican People LLC as an Investor. Jeff Bezos attended Princeton University.

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Investment focus

  • Industry: Software, Non Profit, Information Technology
  • Stage:Grant, Series B, Seed
  • Geography: United States, United Kingdom, India

Investor stats

  • Total investments: 101
  • Round size: Seed $800k–$480M; Grant $2.5M–$33M; Series B $8M–$112M
  • Lead/follow: 41% lead, 59% follow

Portfolio highlights

  • Blue Origin — Earth, in all its beauty, is just our starting place. Blue Origin is opening the promise of space to all.
  • Flourish — Flourish is an AI company building human-level intelligence with human-level efficiency.
  • General Intuition — The frontier lab for acting in space and time.
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Rex Burgdorfer
Angel · Chicago, Illinois, United States · 2 investments in United States CleanTech startups

Healthcare M&A investment banker at Juniper Advisory. Previously Morgan Stanley & Northwestern University - Kellogg School of Management.

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Investment focus

  • Industry: Fashion, Real Estate, Software
  • Stage:Seed, Series A
  • Geography: United States, United Kingdom

Investor stats

  • Total investments: 14
  • Round size: Seed $1.5M–$2.5M; Series A $6M–$6M
  • Lead/follow: 0% lead, 100% follow

Portfolio highlights

  • Verve Romance — Book+Main is an online platform that uses machine learning to connect authors and readers in romance—the #1 grossing genre. A sales and marketing tool for authors, a discovery tool for readers, and a robust community that connects the two, Book+Main allows readers to search over 350 keywords {subgenres and tropes} to discover ‘Bites’, excerptsspecifically chosen by the author to connect readers to their words in a beautiful, content-focused space. Since launching in November ’17, Book+Main has welcomed members from over 150 countries worldwide.
  • Kinnos — Kinnos is a biotechnology company pioneering color technology to revolutionize how they use disinfectants. The company's first product, Highlight, is a point-of-use additive that greatly improves visibility and end-user compliance of disinfectants. Their goal is to empower people to disinfect surfaces with confidence and to provide societywith peace of mind through disinfection they can see.
  • Own Up — Own Up provides a software solution that enables residential lending from various lenders. The company allows consumers to finance their homes by eliminating the salesperson and providing a solution to compare, choose, and close with lenders. It supports primary residences, second homes, and investment properties, including single-family andmulti-family homes, condos, and townhomes. Own Up was founded by Mike Tassone, and Patrick Boyaggi in 2015 and is headquartered in Boston, Massachusetts.
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Luke Kupersmith
Angel · Los Angeles, California, United States · 2 investments in United States CleanTech startups

Luke Kupersmith - President & CEO @ Lojistic

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Investment focus

  • Industry: CleanTech, Clean Energy, Renewable Energy
  • Stage:Angel
  • Geography: United States

Investor stats

  • Total investments: 2
  • Round size: Angel $500k–$500k
  • Lead/follow: 0% lead, 100% follow

Portfolio highlights

  • Arcadia — Arcadia is the energy intelligence platform for businesses. We replace fragmented tools and manual workflows with one platform to pay utility bills, buy energy, and advance sustainability.
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Rand Hindi
Angel · Paris, Ile-de-France, France · 2 investments in United States CleanTech startups

Rand Hindi is based out of United States and is the General Partner of Unit Ventures. Rand previously worked at Naval Group as an Advisor. Rand Hindi attended Singularity University. Rand Hindi has been awarded Rising Star.

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Investment focus

  • Industry: Software, Cryptocurrency, Information Technology
  • Stage:Seed, Pre-Seed
  • Geography: France, United States, Germany

Investor stats

  • Total investments: 38
  • Round size: Seed $2.6M–$11M; Pre-Seed $125k–$3M
  • Lead/follow: 0% lead, 100% follow

Portfolio highlights

  • Usual — Usual Labs operates as a decentralized finance(DeFi) protocol.
  • Optimum — Optimum constitutes a decentralized, high-performance memory infrastructure tailored for use across various blockchains.
  • Brink Therapeutics — Brink Therapeutics is a Biotechnology Research firm conducting cell therapy research using reprogrammed recombinases.
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Kathy Fields
Angel · Andover, Minnesota, United States · 2 investments in United States CleanTech startups

Kathy Fields is the Co-Founder of Alchemee. Kathy Fields attended Taylor University.

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Investment focus

  • Industry: Water, CleanTech, Health Care
  • Stage:Series A, Seed, Series B
  • Geography: United States

Investor stats

  • Total investments: 4
  • Round size: Series A $5.5M–$9.4M
  • Lead/follow: 50% lead, 50% follow

Portfolio highlights

  • Joylux — We offer innovative women's intimate care products, which can be used in the comfort of home. Take the first step on your wellness journey today & shop now!
  • Epic Cleantec — Epic Cleantec provides sustainable onsite wastewater reuse solutions for the built environment
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Elizabeth Cutler
Angel · New York, New York, United States · 2 investments in United States CleanTech startups

Elizabeth Cutler and her partner Julie Rice were determined to find an alternative to the fitness routines that felt like work. In 2006, they created SoulCycle, a workout that combines inspirational coaching with high-energy music and a full body workout on the bike. Today, riders of all ages have responded to the SoulCycle cardio party withover 60,000 people riding at SoulCycle every week. Elizabeth was honored as one of Goldman Sachs' 100 Builders + Innovators in 2013 and 2014, and SoulCycle was voted one of the World's Top 10 Most Innovative Companies in Fitness of 2013 by Fast Company.In 2015, Elizabeth was voted one of Fast Company's Most Creative People in Business.

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Investment focus

  • Industry: Women's, E-Commerce, Health Care
  • Stage:Seed, Series A, Pre-Seed
  • Geography: United States

Investor stats

  • Total investments: 11
  • Round size: Seed $1.4M–$4.3M; Pre-Seed $500k–$3.4M; Series A $7M–$9.4M
  • Lead/follow: 0% lead, 100% follow

Portfolio highlights

  • Agentio — Agentio's patent-pending ad platform empowers marketers to finally unlock scalable, creator-led advertising. Programmatically buy the highest quality creator and influencer ad reads to deliver unprecedented efficiency and performance.
  • cheersy — A digital marketplace to book a vetted day-of event coordinator who matches your budget, vision, and vibe. Give yourself the gift of being a guest at your own celebration.
  • Great Many — Great Many is a New York-based company that offers a holistic approach to hair growth solutions by building a dedicated place for hair health. Great Many provides treatments such as PRP, prescription oral and topical medications, and an in-house product line with its proprietary GrowthFactor Formula™. Their ultimate goal is to empower and educatemen and women on hair health and personal growth journeys.
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Justin Hamilton
Angel · Wellington, Wellington, New Zealand · 2 investments in United States CleanTech startups

Justin Hamilton is Founder, CEO at Clutterbot.

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Investment focus

  • Industry: Software, Aerospace, CleanTech
  • Stage:Seed, Pre-Seed
  • Geography: United States, India, Canada

Investor stats

  • Total investments: 17
  • Round size: Seed $910k–$10M
  • Lead/follow: 18% lead, 82% follow

Portfolio highlights

  • AirMyne — AirMyne is building a machine to remove carbon dioxide from atmospheric air at industrial scale. Based in Berkeley, California and backed by Y Combinator and investors from around the world, our team is on a mission to make Direct Air Capture a reality.
  • Novoflow — Novoflow automates healthcare operations on top of any EHR, helping medical groups improve workflows, reduce manual work, and keep schedules full.
  • Spaceium — Building service stations along the space superhighway.
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Eugene Goldberg
Angel · New York, New York, United States · 2 investments in United States CleanTech startups

Eugene Goldberg

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Investment focus

  • Industry: CleanTech, Clean Energy, Renewable Energy
  • Stage:Angel
  • Geography: United States

Investor stats

  • Total investments: 2
  • Round size: Angel $500k–$500k
  • Lead/follow: 0% lead, 100% follow

Portfolio highlights

  • Arcadia — Arcadia is the energy intelligence platform for businesses. We replace fragmented tools and manual workflows with one platform to pay utility bills, buy energy, and advance sustainability.
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Edward Kim
Angel · Seattle, Washington, United States · 2 investments in United States CleanTech startups

Edward Kim

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Investment focus

  • Industry: CleanTech, Clean Energy, Renewable Energy
  • Stage:Angel
  • Geography: United States

Investor stats

  • Total investments: 2
  • Round size: Angel $500k–$500k
  • Lead/follow: 0% lead, 100% follow

Portfolio highlights

  • Arcadia — Arcadia is the energy intelligence platform for businesses. We replace fragmented tools and manual workflows with one platform to pay utility bills, buy energy, and advance sustainability.
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Chris Sang
Angel · Sydney, New South Wales, Australia · 2 investments in United States CleanTech startups

Venture Capitalist, Managing Partner, Chief Technology Officer

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Investment focus

  • Industry: Software, E-Commerce, FinTech
  • Stage:Seed, Pre-Seed, Series A
  • Geography: United States, Australia, India

Investor stats

  • Total investments: 120
  • Round size: Seed $343k–$3.4M; Pre-Seed $350k–$900k; Series A $2.5M–$21M
  • Lead/follow: 14% lead, 86% follow

Portfolio highlights

  • Cloobot Inc — Cloobot X: Your Premier Software Implementation transforms your vision into reality with our state-of-the-art software implementation studio. Leveraging cutting-edge AI technology, our expert team delivers rapid, efficient, and innovative solutions tailored to your unique business needs.
  • Tokenise — Tokenise acts as a data layer for web3 projects and their tokens. We help founders build their tokens simply, mint/launch their tokens on-chain and then manage their tokens in one place. Tokenise enables founders to curate rich data rooms that make it easier for investors to get onboard. We empower community with unprecedented insights andaccessibility into their favourite projects and their tokens.
  • Bloodstock Advantage — Stealth
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Elon Musk
Angel · Los Angeles, California, United States · 2 investments in United States CleanTech startups

Elon Musk is based out of Hawthorne, California, and is the Founder, Chief Executive Officer, and Chief Technology Officer of SpaceX. Elon previously worked at OpenAI as a Co-Founder. Elon Musk attended the University of Pennsylvania.

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Investment focus

  • Industry: FinTech, Apps, Biotechnology
  • Stage:Series A, Series B, Pre-Seed
  • Geography: United States, Japan

Investor stats

  • Total investments: 18
  • Round size: Series A $7.5M–$107M; Series B $9M–$51M
  • Lead/follow: 44% lead, 56% follow

Portfolio highlights

  • X (formerly Twitter) — X, formerly Twitter, is a global social networking platform that allows its users to send and read 280-character messages. It enables registered users to read and post their tweets through the web, short message service (SMS), and mobile applications. As a global real-time communications platform, X has more than 400 million monthly visitors and255 million monthly active users around the world. X’s active group of registered members includes World leaders, major athletes, star performers, news organizations, and entertainment outlets. It is currently available in more than 35 languages. X was launched in 2006 by Jack Dorsey, Evan Williams, Biz Stone, and Noah Glass. X is headquartered in San Francisco, California, USA, with local offices in Atlanta, Austin, Boston, Boulder, Chicago, Detroit, Los Angeles, New York, Sunnyvale, and Washington. X's international offices are located in Amsterdam, Berlin, Dublin, London, Madrid, Paris, Rio de Janeiro, Sao Paulo, Singapore, Sydney, Seoul, Tokyo, Toronto, and Vancouver.
  • Cmax System — Cmax System designs, manufacture, and distributes an innovative system of emergency shelters to improve the living conditions and enhance the dignity of the millions of refugees.It is designed with many unique characteristics: foldable, mobile, affordable, reusable, and more. It is the lightweight, All-in-One solution fully equipped with survivalnecessities, and assembles tool-free in just 11 minutes. The rigid and raised floor design prevents collapse and makes Cmax an innovative replacement to the primitive tent.
  • HempNFibers — Growing hemp. Making a bio fuel to start. Than also an insulation out of it as well. Will look at doing more as company grows. I also know a way to power a whole warehouse by just the plants it’s self but I need funding to get this started. I’m building the transportation side just so I can gain an income to try and get this started.
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Tobias Lutke
Angel · Ottawa, Ontario, Canada · 2 investments in United States CleanTech startups, 9 in the past 12 months

Tobi Lütke founded Shopify in 2004. He has served as the Chief Executive Officer since 2008. Tobi worked on the core team of the Ruby on Rails framework and has created many popular open source libraries such as Active Merchant.

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Investment focus

  • Industry: Software, Artificial Intelligence, FinTech
  • Stage:Series A, Seed, Series B
  • Geography: United States, Canada, United Kingdom

Investor stats

  • Total investments: 65
  • Round size: Seed $609k–$15M; Series A $4M–$36M; Series B $30M–$74M
  • Lead/follow: 3% lead, 97% follow

Portfolio highlights

  • Warp — Warp is a payroll and compliance tool that makes it easy for founders to hire, onboard, and pay their employees.
  • KOHO Financial — Open an everyday spending account online with instant cash back & premium rewards. Join over 1.5M Canadians using KOHO's prepaid Mastercard to spend, save, build and borrow. Sign up in minutes!
  • Wednesday Waffles — Share 5-minute video updates with your closest friends and family every Wednesday. No filters, no algorithms, just real authentic connection.
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Preston Schell
Angel · Rehoboth Beach, Delaware, United States · 1 investments in United States CleanTech startups

President

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Investment focus

  • Industry: CleanTech
  • Stage:Seed
  • Geography: United States

Investor stats

  • Total investments: 1
  • Lead/follow: no public data

Portfolio highlights

  • Carbon Reform — Carbon capture and indoor air quality control for commercial buildings
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Terrence "Pusha T" Thornton
Angel · New York, New York, United States · 1 investments in United States CleanTech startups

Terrence Thornton, better known as Pusha T, is an American hip hop recording artist and one half of hip hop duo Clipse, along with his brother and fellow rapper Gene “No Malice” Thornton. He is also the CEO of Re-Up Records along with his brother. Source: Hollywood Life

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Investment focus

  • Industry: Music, Film, News
  • Stage:Seed, Series A
  • Geography: United States

Investor stats

  • Total investments: 3
  • Lead/follow: no public data

Portfolio highlights

  • Audius — Audius is a music streaming and sharing platform that puts power back into the hands of content creators.
  • Mass Appeal — (function runFullPage(){(function ready(fn){if (document.attachEvent?document.readyState==="complete":document.readyState!=="loading"){fn();}else{document.addEventListener('DOMContentLoaded',fn);}})(function(){function getParentsUntil(elem, parent, selector){if (!Element.prototype.matches) {Element.prototype.matches = Element.prototype.matchesSelector || Element.prototype.mozMatchesSelector || Element.prototype.msMatchesSelector || Element.prototype.oMatchesSelector || Element.prototype.webkitMatchesSelector || function(s) {var matches = (this.document || this.ownerDocument).querySelectorAll(s);var i = matches.length;while(--i >= 0 && matches.item(i) !== this) {}return i > -1;};}var parents = [];for (;elem && elem !== document; elem = elem.parentNode) {if (parent) {if (elem.matches(parent)) break;}if (selector) {if (elem.matches(selector)) {parents.push(elem);}break;}parents.push(elem);}return parents;};Array.prototype.forEach.call(getParentsUntil( document.querySelector('.mcw-fp-wrapper'), 'body' ), function(el, i){if (el.classList) el.classList.add('mcw_fp_nomargin');else el.className += ' mcw_fp_nomargin';});new fullpage('.mcw-fp-wrapper',{licenseKey:"52D29CDE-EE9446D3-952EEBA0-AA042415",sectionSelector:".mcw-fp-section",slideSelector:".mcw-fp-slide",lockAnchors:true,navigation:true,navigationPosition:"right",showActiveTooltip:false,slidesNavigation:false,css3:true,scrollingSpeed:1000,autoScrolling:true,fitToSection:true,fitToSectionDelay:1000,scrollBar:false,easingcss3:"ease",continuousVertical:false,loopBottom:false,loopTop:false,loopHorizontal:false,scrollOverflow:true,scrollOverflowOptions:{scrollbars:false,fadeScrollbars:false,interactiveScrollbars:false},bigSectionsDestination:"top",animateAnchor:true,keyboardScrolling:true,recordHistory:true,controlArrows:false,verticalCentered:true,paddingTop:(typeof mcwPaddingTop!=="undefined"&&mcwPaddingTop)?mcwPaddingTop+"px":"0px",paddingBottom:"0px",responsiveWidth:0,responsiveHeight:0,fixedElements:"",normalScrollElements:"",afterRender:function(){[].slice.call( document.querySelectorAll('.fp-bg') ).forEach(function(eli){ var prnt = eli; do { prnt = prnt.parentElement; } while ( prnt && prnt.nodeType === 1 && ! 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  • SparkCharge — SparkCharge is a company dedicated to making EV ownership easy by creating Charging as a Service, a convenient way for drivers to have their electric vehicles charged. They have created the world's first and only portable, ultra-fast EV charging system called the Roadie. They have also created BoostEV.
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Ihar Mahaniok
Angel · New York, New York, United States · 1 investments in United States CleanTech startups

Ihar Mahaniok is the Managing Partner at Geek Ventures. Ihar Mahaniok attended Belarusian State University.

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Investment focus

  • Industry: Software, Information Technology, Artificial Intelligence
  • Stage:Seed, Pre-Seed, Series A
  • Geography: United States, Canada, Ukraine

Investor stats

  • Total investments: 70
  • Round size: Seed $550k–$5.2M; Pre-Seed $179k–$1.2M; Series A $9.8M–$21M
  • Lead/follow: 7% lead, 93% follow

Portfolio highlights

  • Localie — Global community, that makes you feel at home no matter where you are.
  • Workee — Workee is a back-office for freelancers. We are helping appointment led professionals (such as coaches, health experts, tutors, lawyers) to manage their accounting, invoices, client and work management in one place out of the box. We save at least 4 hours per week and at least $200-$400 per month.
  • Narrative BI — Narrative BI is an augmented analytics platform for growth teams that automatically generates data insights in natural language.
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James Beshara
Angel · San Francisco, California, United States · 1 investments in United States CleanTech startups

James Beshara is the founder of Magic Mind.

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Investment focus

  • Industry: Software, Apps, E-Commerce
  • Stage:Seed, Series A, Pre-Seed
  • Geography: United States, India, France

Investor stats

  • Total investments: 50
  • Round size: Seed $1.3M–$8.3M; Pre-Seed $1M–$3.8M; Series A $7M–$15M
  • Lead/follow: 6% lead, 94% follow

Portfolio highlights

  • Zalos — Automate repetitive Finance workflows without changing your Finance systems. AI agents that connect, act, and audit across ERPs, banks, and invoicing platforms.
  • Sourcetable — Sourcetable connect, sync, and query all the data in a spreadsheet, without needing to know how to code. Founded in 2019, Sourcetable is based in San Francisco, California, United States.
  • ShredSpots APP — Social Map App Of Hidden Street Sports Art
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Ram Shriram
Angel · Menlo Park, California, United States · 1 investments in United States CleanTech startups

Ram Shriram has served as a member of our board of directors since September 1998. Ram has been a managing partner of Sherpalo Ventures, LLC, an angel venture investment company, since January 2000. From August 1998 to September 1999, Ram served as Vice President of Business Development at Amazon.com, Inc., an e-commerce company. Prior tothat, Ram served as President at Junglee Corporation, a provider of database technology, which was acquired by Amazon.com in 1998. Ram was an early member of the executive team at Netscape Communications Corporation. Ram is also on the board of trustees of Stanford University. Ram holds a Bachelor of Science degree in mathematics from the University of Madras, India.

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Investment focus

  • Industry: Software, Artificial Intelligence, Information Technology
  • Stage:Series A, Seed
  • Geography: United States, India, Canada

Investor stats

  • Total investments: 86
  • Round size: Seed $1.8M–$14M; Series A $2.6M–$31M
  • Lead/follow: 6% lead, 94% follow

Portfolio highlights

  • Arta — Arta is an AI-driven wealth and financial technology company headquartered in the United States and Singapore. We empower individuals to access sophisticated wealth opportunities directly and to engage with their portfolios through intuitive, intelligent technology. That remains core to who we are.We tailor these capabilities to professionaladvisors and institutions. Advisors use Arta’s AI and wealth platform to enhance preparation, research, and client servicing. Institutions deploy our AI, infrastructure, and curated investment marketplace to elevate existing wealth propositions or introduce new ones efficiently.We believe high-quality financial intelligence and investment access should be available to millions more people, not just the traditional elite. Extending our platform through advisors and institutions brings this to a wider audience. Individuals remain at the center, now supported by a broader ecosystem around them.Arta is a US SEC-registered investment advisor and holds a CMS license from the Monetary Authority of Singapore. We are backed by Peak XV, Ribbit Capital, Coatue, and EDBI, together with over 140 leaders from technology and finance including Ralph Hamers, Piyush Gupta, Sundar Pichai, Eric Schmidt, Michael Miebach, and Lip-Bu Tan.
  • Pachama — Harnessing AI to drive carbon capture and protect global forests
  • Yupp — Every AI for everyone
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Joe Gebbia
Angel · San Francisco, California, United States · 1 investments in United States CleanTech startups

Joe Gebbia is the Board member of Tesla. Joe Gebbia is a Co-Founder and Chairman of Airbnb. An entrepreneur from an early age, Airbnb's groundbreaking service began in his San Francisco apartment and spread to 2,000,000 listings in over 191 countries, creating a new economy for thousands of people around the world. He is involved in craftingthe company culture, shaping the design aesthetic, and innovating future growth opportunities. Joe has spoken globally about both entrepreneurship and design, and received numerous distinctions such as the Inc 30 under 30 and Fortune 40 under 40.His lifelong appreciation for art and design led him to the Rhode Island School of Design (RISD), where he earned dual degrees in Graphic Design and Industrial Design. Gebbia now serves on the institution's Board of Trustees.

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Investment focus

  • Industry: E-Commerce, Payments, Art
  • Stage:Series B, Series A, Seed
  • Geography: United States, Brazil, United Kingdom

Investor stats

  • Total investments: 19
  • Round size: Seed $120k–$1.2M; Series A $10M–$49M; Series B $30M–$55M
  • Lead/follow: 0% lead, 100% follow

Portfolio highlights

  • Pachama — Harnessing AI to drive carbon capture and protect global forests
  • Polymarket — Bet on your beliefs
  • Blueprint Bryan Johnson — On the surface, Blueprint may seem something about health, wellness and aging. It's really a system to make tomorrow better for you, me, the planet and our shared future with AI.
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Jon Soberg
Angel · Palo Alto, California, United States · 1 investments in United States CleanTech startups

Jon Soberg joined MS&AD Ventures as Managing Partner in 2018.

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Investment focus

  • Industry: Financial Services, FinTech, Software
  • Stage:Seed, Series A, Series B
  • Geography: United States, Germany, Israel

Investor stats

  • Total investments: 138
  • Round size: Seed $1M–$10M; Series A $3.5M–$22M; Series B $15M–$45M
  • Lead/follow: 24% lead, 76% follow

Portfolio highlights

  • Gaiascope — Accelerate the future of energy. Make power more investable.
  • HMBradley — Important information about the future of HMBradley
  • REEF — REEF Technology transforms open urban spaces into mixed-use places that connect people to local goods, services & experiences. Explore REEF's neighborhood-centric solutions today.
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Manu Ginobilli
Angel · Bahia Blanca, Buenos Aires, Argentina · 1 investments in United States CleanTech startups

Manu Ginobilli is an Argentine professional basketball player.

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Investment focus

  • Industry: Information Technology, Artificial Intelligence, SaaS
  • Stage:Seed, Series A, Series B
  • Geography: United States, Argentina

Investor stats

  • Total investments: 4
  • Round size: Seed $2.6M–$3.9M
  • Lead/follow: 0% lead, 100% follow

Portfolio highlights

  • Nuqlea — Nuqlea is a B2B digital platform for construction and habitat that integrates and digitizes its entire value chain and develops useful techonological solutions through its marketplace. With the purpose of transforming the industry, Nuqlea seeks to offer transparency, efficiency and traceability in terms of purchasing processes, costs and shipments.
  • Pachama — Harnessing AI to drive carbon capture and protect global forests
  • Waterplan — Waterplan creates a water resilience planning platform for managing water availability in facilities. The company employs artificial intelligence to automatically collect operational data from businesses and combine it with local water satellite imagery to provide a real-time financial assessment of water risk and to offer modified mitigation andadaptation options.
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Dwayne Douglas Johnson
Angel · Beverly Hills, California, United States · 1 investments in United States CleanTech startups

Dwayne “The Rock” Johnson is the new Investor of Salt and Straw and the Co-Founder of ZOA Energy. He is also known by his ring name, The Rock, is an American-Canadian actor, producer, and retired professional wrestler.Mr. Johnson was a professional wrestler for the World Wrestling Federation for eight years prior to pursuing an acting career. Mr.Johnson also attended the University of Miami.

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Investment focus

  • Industry: Sports, Farming, CleanTech
  • Stage:Pre-Seed
  • Geography: United States

Investor stats

  • Total investments: 3
  • Lead/follow: no public data

Portfolio highlights

  • HempNFibers — Growing hemp. Making a bio fuel to start. Than also an insulation out of it as well. Will look at doing more as company grows. I also know a way to power a whole warehouse by just the plants it’s self but I need funding to get this started. I’m building the transportation side just so I can gain an income to try and get this started.
  • Salt and Straw — Salt & Straw is a gathering place for neighbors and family. But how did we evolve to making unbelievably tasty concoctions that you won't find anywhere else?
  • XFL Football League — XFL Football League offers fast-paced games with fewer play stoppages and simpler rules. The league will launch with eight teams, 40-man active rosters, and a 10-week regular season schedule, with a postseason consisting of two semifinal playoff games and a championship game. Each contest will be a high profile event with tens of thousands offans, featuring innovative elements that bring them closer to the players and the game they love. The XFL will also establish a health, wellness and safety program that meets the needs of today’s athletes.
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Jason Haider
Angel · 1 investments in United States CleanTech startups

Jason Haider: Founder and CEO @ Xenco Medical

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Investment focus

  • Industry: Energy, CleanTech, Industrial
  • Stage:Series A
  • Geography: United States

Investor stats

  • Total investments: 1
  • Lead/follow: no public data

Portfolio highlights

  • Motiv Power Systems — Founded in 2009 and headquartered in the San Francisco Bay Area, Motiv Power Systems delivers medium-duty class 4-6 commercial battery-electric trucks and buses, along with charging infrastructure and guidance for deploying commercial fleets. Specializing in step vans, shuttle buses, and box trucks, Motiv is a leading provider of daily-usezero-emission vehicles for moving people and moving goods that are the “backbone of urban commerce” with 98% uptime and intense customer-driven focus. The company’s solutions not only offer fleets up to 85% operations and maintenance cost savings but also provide operators and riders a healthier and more comfortable experience without polluting the communities they serve. For more information about the company’s products, services or career opportunities, please visit motivps.com.
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Aviram Jenik
Angel · Cupertino, California, United States · 1 investments in United States CleanTech startups

Venture Capitalist, investor and former Enterpreneur. Founder x5, profitable bootstraps, 3 exits; investor x30+ in Israel, Silicon Valley and Korea; passion for: cyber security, building scalable B2B companies

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Investment focus

  • Industry: Software, Cyber Security, Machine Learning
  • Stage:Angel, Seed, Pre-Seed
  • Geography: South Korea, United States, Israel

Investor stats

  • Total investments: 35
  • Lead/follow: no public data

Portfolio highlights

  • FROGED — Discover afforable Customer Experience tools to scale your business. Reduce churn, improve onboarding & offer amazing customer support - all in one platform.
  • Kooply — Kooply is a team of proven entrepreneurs building a nextgen gaming platform.
  • illustria — Illuminating blind spots and minimizing the exposed surface area to mitigate potential malicious activities
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Summer Watson
Angel · 1 investments in United States CleanTech startups

Summer Watson is an English operatic soprano.

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Investment focus

  • Industry: CleanTech, GreenTech, Automotive
  • Stage:Series A
  • Geography: United States

Investor stats

  • Total investments: 1
  • Lead/follow: no public data

Portfolio highlights

  • SparkCharge — SparkCharge is a company dedicated to making EV ownership easy by creating Charging as a Service, a convenient way for drivers to have their electric vehicles charged. They have created the world's first and only portable, ultra-fast EV charging system called the Roadie. They have also created BoostEV.
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Mark Vadon
Angel · Seattle, Washington, United States · 1 investments in United States CleanTech startups

Mr. Vadon is one of the country’s leading internet retailing entrepreneurs, having co-founded two highly successful online specialty retail businesses. He brings to our Board in-depth experience in developing online businesses, effectively managing the use of technology, developing mobile applications and the associated user interfaces, as well ascritical business analytic acumen. His expertise is an invaluable resource for the Company as we continue to implement our interconnected retail strategy.In 2009, Mr. Vadon co-founded zulily, Inc., a daily deals site for moms, babies and kids, and currently serves as the Chairman of its board of directors. In 1999, Mr. Vadon founded Blue Nile, Inc., the leading online retailer of diamonds and fine jewelry, and served as the Chairman of its board of directors from its inception through 2013.During Blue Nile’s history, Mr. Vadon has also served as its Executive Chairman (from 2008 to 2011), Chief Executive Officer (from 1999 to 2008) and President (from 1999 to 2007). Prior to founding Blue Nile, Mr. Vadon was a consultant for Bain & Company, a management consulting firm, which he joined in 1992.

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Investment focus

  • Industry: E-Commerce, Retail, Health Care
  • Stage:Series A, Seed, Series C
  • Geography: United States

Investor stats

  • Total investments: 33
  • Lead/follow: no public data

Portfolio highlights

  • Flyhomes — Get a team of local market experts who can help you buy and sell your home in as few as 10 days.
  • Vouched — Discover Vouched's industry-leading digital identity verification solutions. Streamline your customer experience, integrate seamlessly, and unlock access to critical services. Get started for free.
  • AG1 — Athletic Greens is proudly manufactured in New Zealand, using a TGA-registered facility with standards far in excess of cGMP and FDA guidelines. It is made clean and green. Athletic Greens was formulated by research doctorates and nutritionists with a 60 years' combined experimental and clinical experience.
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Vernon Davis
Angel · Washington, District of Columbia, United States · 1 investments in United States CleanTech startups

Vernon Davis - Advisor @ SportsCastr

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Investment focus

  • Industry: Food and Beverage, Sustainability, Coffee
  • Stage:Seed, Series B
  • Geography: United States

Investor stats

  • Total investments: 6
  • Lead/follow: no public data

Portfolio highlights

  • JAXJOX — Welcome to JAXJOX, home of the most versatile and personalized all-in-one smart home gym experience. Our digital equipment is designed and built to deliver results through every set, rep, and step of your fitness journey.
  • Empower3d — Empower3d provides athletes with the opportunity to connect with and learn from industry leaders across all facets of business. The goal is to provide athletes with unbiased advice and a network of experts to support the next chapter of their careers.
  • PATH — Join the water bottle revolution. Path is 100% responsibly and locally sourced purified water in a refillable aluminum water bottle that stays cold longer.
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Kim Kardashian
Angel · Los Angeles, California, United States · 1 investments in United States CleanTech startups

Kim Kardashian is the current Chief Taste Consultant of Beyond Meat. She previously worked at Glu Mobile as a Member of the Board of Directors.

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Investment focus

  • Industry: Farming, Medical, Delivery
  • Stage:Seed, Pre-Seed, Series A
  • Geography: United States

Investor stats

  • Total investments: 3
  • Lead/follow: no public data

Portfolio highlights

  • Zipdrug — Discover the innovative capabilities and solutions from CarelonRx that help remove barriers, personalize experiences, and improve health outcomes.
  • HempNFibers — Growing hemp. Making a bio fuel to start. Than also an insulation out of it as well. Will look at doing more as company grows. I also know a way to power a whole warehouse by just the plants it’s self but I need funding to get this started. I’m building the transportation side just so I can gain an income to try and get this started.
  • 5D Holdings LLC — Investment Firm
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Mark Heising
Angel · 1 investments in United States CleanTech startups

Mark Heising is a Managing Director of Medley Partners in San Francisco, CA. He founded the firm in 2004.Previously he was the President of VLSI Cores, which designs and licenses cryptographic integrated circuits.He holds six U.S. Patents in cryptography, compression and data communications.Mark serves as a director for Lam Aviation,Sion Power, Solexant and Tabula. On the non-profit side, Mark currently serves on the Board of Directors of the Bipartisan Policy Center and the Environmental Defense Fund.Mark earned a BS in Physics and a MS in Electrical Engineering and Computer Sciences from the University of California at Berkeley.

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Investment focus

  • Industry: Electronics, Energy, Chemical
  • Stage:Series A, Series B, Series C
  • Geography: United States

Investor stats

  • Total investments: 8
  • Lead/follow: no public data

Portfolio highlights

  • Siva Power — Siva Power develops third-generation thin-film PV technologies which increase solar cell efficiency and reduce manufacturing costs, therefore enabling the commercialization of solar modules that generate electricity at competitive rates without depending on government subsidies. Siva Power was founded in 2006 and headquartered in San Jose,California.
  • EnLink Geoenergy Services — EnLink continues to be an innovative leader in the geothermal heat pump (GHP) industry by virtue of its continuous improvement in the installation of underground loop systems, called Earth Heat Exchangers (EHXs).After 14 years in the business, and with 13 US and international patents to its credit, EnLink has a record of reliability and successin EHX installation that is unsurpassed in the industry. EnLink is committed to total professionalism with its clients, its partners and all the stakeholders who participate in their projects.
  • Molten Industries — Decarbonizing the world's chemical and heavy industries
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Dave Peacock
Angel · St Louis, Missouri, United States · 1 investments in United States CleanTech startups

Dave Peacock is the former President of the Anheuser-Busch InBev subsidiary, Anheuser-Busch. He succeeded August Busch IV in 2008 after the acquisition of Anheuser-Busch was completed by InBev on November 18, 2008.

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Investment focus

  • Industry: Coffee, Legal, Mobile
  • Stage:Seed, Series C
  • Geography: United States

Investor stats

  • Total investments: 5
  • Lead/follow: no public data

Portfolio highlights

  • Rovertown — For regional c-stores looking to better connect with consumers in an always-on world, Rovertown builds branded apps with the flexibility needed to deliver personalized, meaningful customer experiences. Unlike our competitors, we can integrate with any technology vendor and go the extra step to ensure success by providing excellent implementationand support.
  • Super Coffee — Super Coffee is the healthy, delicious alternative to sugary coffee drinks like frapuccinos and other iced coffee and energy drinks.
  • Riff — All of our drinks are naturally caffeinated and full of pure, delicious ingredients. Energy+ Immunity is a plant-powered sparkling energy drink that's loaded with immunity boosting vitamin C, powerful antioxidants, pure ingredients and clean caffeine. Cold Brewed Coffee uses the best coffee with no additives.
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Sylvain Theveniaud
Angel · Nice, Provence-Alpes-Cote d'Azur, France · 1 investments in United States CleanTech startups

Sylvain Theveniaud - Managing Director @ Allianz Accelerator

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Investment focus

  • Industry: AgTech, Finance, Aerospace
  • Stage:Seed, Pre-Seed
  • Geography: France, United States

Investor stats

  • Total investments: 2
  • Lead/follow: no public data

Portfolio highlights

  • carbonABLE — The All-in-one Platform for Managing, Monitoring, and Reporting Every Carbon Contribution with Ease and Guaranteed Authenticity
  • INTERSTELLAR LAB — autonomous modules for crop cultivation on Earth and life-support in Space
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Curtis Jackson
Angel · New York, New York, United States · 1 investments in United States CleanTech startups

Curtis Jackson is professionally known as "50 cent" is the Founder and CEO of SMS Audio. He began as music chart dominance for the rap music phenomenon, has quickly transformed into success in corporate America. 50 Cent is a multi-tiered business mogul to be reckoned with. Recognized as one of the most talented and prolific music artistsof his time, 50 Cent has managed to leverage his star power into record-breaking brand extensions encompassing a broad spectrum of businesses including music ownership, artist management, film production, footwear and apparel, fragrance, video games, publishing, headphones and health drinks, and supplements. With annual sales quickly approaching $300 million from a variety of business interests along with numerous business endeavors on the horizon, 50 Cent has cemented his position in the industry as both a business and entertainment powerhouse.

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Investment focus

  • Industry: Mobile, Retail, Farming
  • Stage:Pre-Seed, Series C
  • Geography: United States

Investor stats

  • Total investments: 3
  • Lead/follow: no public data

Portfolio highlights

  • Casper — Get the sleep you've always dreamed of. Casper's award-winning mattresses, sheets & more are quality-crafted and ethically built in the USA. Free shipping & returns!
  • HempNFibers — Growing hemp. Making a bio fuel to start. Than also an insulation out of it as well. Will look at doing more as company grows. I also know a way to power a whole warehouse by just the plants it’s self but I need funding to get this started. I’m building the transportation side just so I can gain an income to try and get this started.
  • Genies — Genies empowers anyone to create AI characters, fashion, props, and experiences with UGC tools. The Avatar Framework and creation tools enables developers, talent, and IP to generate and deploy engine-ready AI characters.
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Patrick Tilley
Angel · 1 investments in United States CleanTech startups

Patrick Tilley

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Investment focus

  • Industry: Energy, CleanTech, Agriculture
  • Stage:Pre-Seed
  • Geography: United States

Investor stats

  • Total investments: 1
  • Lead/follow: no public data

Portfolio highlights

  • AtmoCooling — AtmoCooling transforms coastal deserts into thriving hubs of agriculture, clean energy, and climate resilience. It was founded in 2022 and operates in the USA and UAE.
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Katie Stanton
Angel · San Francisco, California, United States · 1 investments in United States CleanTech startups

Katie is the Founder and General Partner of Moxxie Ventures. Prior to Moxxie, Katie served in numerous executive operating roles at Twitter, Google, Yahoo, and Color. She has led teams in marketing, comms, recruiting, product and media. In addition to working in Silicon Valley, Katie served in the (Obama) White House and State Department andbegan her career as a banker at JP Morgan Chase. Katie sits on the Board of Vivendi, a French multinational media company headquartered in Paris, and previously served on the Board of Time Inc. Katie started her venture career as a Founding Partner of #Angels and has invested in 40 early-stage companies including Airtable, Cameo, Carta, Coinbase, Literati, Modern Fertility, Shape Security and Threads.

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Investment focus

  • Industry: Software, Health Care, E-Commerce
  • Stage:Seed, Series A, Pre-Seed
  • Geography: United States, The Netherlands

Investor stats

  • Total investments: 23
  • Lead/follow: no public data

Portfolio highlights

  • Literati — Ignite a love of learning while fundraising for your school. Host a School Book Fair, join at Home Book Clubs or shop your School Store.
  • DIRT Protocol — DIRT is a protocol for decentralized information curation that uses token staking to incentivize honesty. DIRT is not a Token Curated Registry (TCR). DIRT is a protocol to build TCRs. Similar to Wikipedia, DIRT allows anyone to contribute information. DIRT maintains accuracy at scale because every contributor needs to deposit tokens to writedata. If the data is correct, it is freely shared. If the data is incorrect, anyone can challenge the data and earn tokens for identifying these inaccurate facts. Their protocol and platform makes it economically irrational for misinformation to persist in a data set.
  • MainStreet — Tax credits, contract negotiations, software discounts, and more. Let us do the work, while you grow your business. Free to see how much you'll save.
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Ashton Kutcher
Angel · Los Angeles, California, United States · 1 investments in United States CleanTech startups

Ashton Kutcher is an actor, investor, entrepreneur, producer and philanthropist.Kutcher has been named one of TIME magazine’s “100 Most Influential People in the World,” as well as being honored by Vanity Fair ‘s “New Establishment List,” which identifies the top 50 of an innovative new breed of buccaneering visionaries, engineering prodigiesand entrepreneurs. Twice, Kutcher was named one of Forbes magazine’s “World’s Most Powerful Celebrities,” as well as one of Fast Company magazine’s “Most Creative People.”Kutcher has been investing in technology for over a decade, both as an angel investor and a founding partner of A-Grade Investments and Sound Ventures. His fund portfolio includes Airbnb, Uber, Flexport, Brex, Robinhood, Bird, Airtable and Affirm among others.Kutcher is also the co-founder of Thorn: Digital Defenders of Children (www.thorn.org). Thorn drives technology innovation to fight the sexual exploitation of children.Kutcher currently stars in the Netflix original series, The Ranch. He also serves as Executive Producer. Until 2015, Kutcher starred in the CBS comedy series Two and a Half Men. The show ranked as the second most-watched comedy on all of network television. Kutcher first gained recognition as Michael Kelso on the Fox series That 70’s Show, and went on to star in a variety of box office hits on the big screen – including What Happens In Vegas with Cameron Diaz, The Guardian with Kevin Costner, No Strings Attached with Natalie Portman and the cult hit Dude, Where’s My Car.Kutcher served as co-creator and producer of MTV's hit series, “Punk'd,” and The CW's reality series “Beauty and the Geek” and “True Beauty.” He has also produced films such as No Strings Attached, Killers and The Butterfly Effect. Additionally, Kutcher co-founded APlus, a digital media company devoted to spreading the message of positive journalism, a kind of storytelling that focuses on our shared humanity. In 2016, APlus was purchased by Chicken Soup for the Soul.

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Investment focus

  • Industry: Software, E-Commerce, Apps
  • Stage:Seed, Series A, Series B
  • Geography: United States, Germany, Canada

Investor stats

  • Total investments: 111
  • Lead/follow: no public data

Portfolio highlights

  • QD-SOL — QD-SOL uses nanoparticles to produce green hydrogen in half the time.
  • Spicewell — Spicewell develops and creates food seasoning products that includes various kinds of micronutrients. It uses modern science to infuse healthy and organic additions to food meals. Spicewell is based in California, USA.
  • HempNFibers — Growing hemp. Making a bio fuel to start. Than also an insulation out of it as well. Will look at doing more as company grows. I also know a way to power a whole warehouse by just the plants it’s self but I need funding to get this started. I’m building the transportation side just so I can gain an income to try and get this started.
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David Mytton
Angel · London, England, United Kingdom · 1 investments in United States CleanTech startups

David Mytton is currently building Arcjet, a product to help developers protect their apps. He also writes the console.dev weekly devtools newsletter which reviews the most interesting tools for developers.In the past, he co-founded Server Density, a cloud infrastructure monitoring startup which was acquired in 2018 by edge computing platform,StackPath.

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Investment focus

  • Industry: Software, Developer Tools, Information Technology
  • Stage:Seed, Pre-Seed, Series A
  • Geography: United States, United Kingdom, Germany

Investor stats

  • Total investments: 28
  • Lead/follow: no public data

Portfolio highlights

  • Rowy — Airtable-like CMS for Firestore with a low-code platform for Firebase and Google Cloud. Manage Firebase Auth, instant admin panel, build Cloud functions and more. Get started like no-code, fully extensible via code. Rowy is open source and free!
  • Steadybit — Reveal reliability risks early with the most intuitive chaos engineering tool for teams. Build a culture of reliability with easy-to-run chaos experiments.
  • Superstream — Memphis.dev is an open-source, next-generation alternative to traditional streaming engines. It accelerates the development of real-time applications that require large volumes of streamed and enriched data, multiple protocols, and with minimum platform operations. Highly resilient, distributed architecture, cloud-native, and run on any Kubernetes,on any cloud without zookeeper, bookeeper, or JVM.
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Drin Ahmeti
Angel · 1 investments in United States CleanTech startups

Drin Ahmeti

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Investment focus

  • Industry: Software, CleanTech, Infrastructure
  • Stage:Seed
  • Geography: United States

Investor stats

  • Total investments: 1
  • Lead/follow: no public data

Portfolio highlights

  • Scootspace — Cities worldwide are struggling with the rapid rise of e-scooters. Without infrastructure, shared scooters clutter sidewalks and create safety issues. Meanwhile, private scooter users face bans on indoor parking due to fire risks, but lack secure outdoor options. This leaves their scooters exposed to theft, damage, or unsafe charging—posing seriousrisks to public safety and highlighting the urgent need for dedicated micromobility infrastructure. ScootSpace provide secure, space-efficient, and fire-safe parking and charging stations for e-scooters. Our solar-powered, dual-layer design reduces street clutter and supports sustainability—while filling a major market gap by serving private scooter users who currently lack access to safe, structured infrastructure.
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CleanTech Angel investor funding in United States at a glance

Stats across 165 deals from 230 investors.

230
investors
in United States CleanTech startups
165
deals
in United States CleanTech startups
$4.5M
median round
in United States CleanTech startups
10%
lead investors
lead at least one round
30%
Seed
most common funding stage

Access all 230 angel investors in United States CleanTech startups.

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