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Top 50 CleanTech Angel Investors (June 2026)

The most active angel investors investing in CleanTech startups. This investor list is updated monthly from the Shizune investor database, ranked by number of investments in 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
Paul Forster
Angel
4 United Kingdom, Germany, United States Seed, Series A, Pre-Seed Software, FinTech, Financial Services $1.1M–$15M
Biz Stone
Angel
4 United States, United Kingdom, India Seed, Series A, Pre-Seed Software, Apps, Mobile $375k–$20M
Chris Murphy
Angel
3 United States, Germany, Denmark Seed, Pre-Seed, Series A Software, SaaS, Information Technology $1.7M–$35M
Christian Kaar
Angel
3 Austria, United Kingdom Seed, Angel Apps, Software, Information Technology $650k–$3.6M
David E. Weekly
Angel
3 United States, Israel Seed, Angel, Pre-Seed Drones, Robotics, Aerospace $33k–$1.1M
Uday Kumar Bangalore Shivaraman
Angel
3 United Kingdom, India, United States Seed, Series B, Equity Crowdfunding FinTech, Financial Services, E-Commerce $372k–$28M
Kristjan Raude
Angel
3 Estonia, United States Seed, Pre-Seed, Equity Crowdfunding Software, Automotive, Internet of Things $71k–$2.7M
Kai Hansen
Angel
3 Germany, United Kingdom, Italy Seed, Series A, Pre-Seed Software, E-Commerce, FinTech $796k–$60M
David Rowan
Angel
3 United Kingdom, Croatia, Germany Seed, Pre-Seed Software, Machine Learning, Information Technology $484k–$5.5M
Justin Hamilton
Angel
2 United States, India, Canada Seed, Pre-Seed, Series A Environmental Engineering, Aerospace, CleanTech
Matthias Ernst
Angel
2 Germany Pre-Seed CleanTech, Software, Clean Energy
Bhavik Bajaj
Angel
2 United States, Switzerland, United Kingdom Pre-Seed, Seed, Angel Information Technology, Software, FinTech $15k–$3M
Kathy Fields
Angel
2 United States Series A, Seed, Series B Water, CleanTech, Health Care
Bill Gates
Angel
2 United States, Canada, Israel Series C, Series A, Series B Energy, Biotechnology, Manufacturing
Peter Mertens
Angel
2 Germany, Israel Seed, Pre-Seed, Angel Software, Automotive, CleanTech $411k–$4.7M
Shashank Randev
Angel
2 India Angel, Seed, Pre-Seed FinTech, SaaS, CleanTech
Marc Tarpenning
Angel
2 United States, France, Denmark Series A, Seed, Series D Renewable Energy, Drones, Robotics $1.5M–$36M
Gaurav Gupta
Angel
2 India Angel Solar, Energy, CleanTech $135k–$197k
Edward Kim
Angel
2 United States Angel CleanTech, Clean Energy, Renewable Energy $500k–$500k
Leopold König
Angel
2 Germany Seed Battery, CleanTech, Chemical Engineering $3.9M–$5.7M
Rand Hindi
Angel
2 France, United States, Germany Seed, Pre-Seed Software, Cryptocurrency, Information Technology $125k–$11M
Serge Chiaramonte
Angel
2 United Kingdom, United States, France Seed, Pre-Seed FinTech, Financial Services, Information Technology $637k–$38M
Andrea Dusi
Angel
2 Italy, United States, United Kingdom Seed, Pre-Seed, Series A Biotechnology, Health Care, CleanTech $150k–$15M
Torge Thönnessen
Angel
2 Germany Seed Battery, CleanTech, Chemical Engineering $3.9M–$5.7M
Akshay Singhal
Angel
2 India, United States Seed, Pre-Seed Pet, AgTech, Battery $1.1M–$3.4M
Sir Ronald Cohen
Angel
2 Israel, United States, United Kingdom Series A, Seed Health Care, Financial Services, Apps $1.7M–$100M
Mark Cuban
Angel
2 United States, United Kingdom, Canada Seed, Series A Software, Artificial Intelligence, Blockchain $600k–$23M
Chris Sang
Angel
2 United States, Australia, India Seed, Pre-Seed, Series A Software, E-Commerce, SaaS $337k–$21M
Karim Tabet Jalbout
Angel
2 Germany Seed Battery, CleanTech, Chemical Engineering
Maximilian Odendahl
Angel
2 Germany, United Kingdom Seed, Series A Battery, CleanTech, Chemical Engineering $3.6M–$13M
Job Dura
Angel
2 The Netherlands Series A Energy, CleanTech, Architecture
Elon Musk
Angel
2 United States, Japan Series A, Series B, Pre-Seed Apps, FinTech, Cryptocurrency
Eugene Goldberg
Angel
2 United States Angel CleanTech, Clean Energy, Renewable Energy $500k–$500k
Markku Jääskelainen
Angel
2 Estonia Seed, Series A Drones, Big Data, Software
Alfred Luger
Angel
2 Austria, Germany, United Kingdom Seed, Angel, Pre-Seed Software, Apps, E-Learning $650k–$3.6M
Luke Kupersmith
Angel
2 United States Angel CleanTech, Clean Energy, Renewable Energy $500k–$500k
Rex Burgdorfer
Angel
2 United States, United Kingdom Seed, Series A Fashion, Real Estate, Software $1.5M–$6M
Elizabeth Cutler
Angel
2 United States Seed, Series A, Pre-Seed Women's, E-Commerce, Health Care $500k–$9.4M
Garrett Camp
Angel
2 United States, Poland, Germany Seed, Series A Software, Logistics, Apps $850k–$19M
Ashley Mayer
Angel
2 United States, Germany Seed, Series A, Pre-Seed Wellness, Health Care, Drones $2M–$36M
Ali Omar
Angel
2 Finland, United States, Estonia Seed, Pre-Seed, Angel Software, SaaS, Artificial Intelligence $53k–$2.1M
Holly Branson
Angel
2 United Kingdom Seed, Pre-Seed, Series A Energy, CleanTech, Logistics $2.7M–$14M
Anna Alex
Angel
2 Germany, France Pre-Seed, Seed Software, CleanTech, Information Technology
Madis Müür
Angel
2 Estonia, United States Seed, Equity Crowdfunding, Pre-Seed Apps, Cycling, Security $100k–$1.3M
Guilherme Kudiess
Angel
2 Brazil Pre-Seed, Seed Artificial Intelligence, SaaS, CleanTech
Vishal Rao
Angel
2 United States, India, Canada Seed, Pre-Seed Software, Artificial Intelligence, Information Technology $23k–$5.5M
Luigi Bajetti
Angel
2 United States, Italy, Luxembourg Pre-Seed, Seed, Series A Software, Information Technology, Apps
Jonathan Seaton
Angel
2 United States, United Kingdom, Canada Seed, Pre-Seed Software, Education, Music $196k–$3.8M
David Helgason
Angel
2 United States, Denmark, Finland Seed, Series A Software, Gaming, Information Technology $1.1M–$30M
Warren Buffett
Angel
2 United States, Ghana, Brazil Seed, Pre-Seed, Series A Health Care, Software, Health Diagnostics
Access all 474 angel investors in CleanTech startups.

Access 48,091 investors

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

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Investor list

Paul Forster
Angel · Cambridge, Massachusetts, United States · 4 investments in CleanTech startups

Paul Forster is an early-stage investor in the tech sector. He previously worked at Indeed as a Senior Advisor. Paul attended INSEAD, where he earned an MBA.

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Investment focus

  • Industry: Software, FinTech, Financial Services
  • Stage:Seed, Series A, Pre-Seed
  • Geography: United Kingdom, Germany, United States

Investor stats

  • Total investments: 78
  • Round size: Seed $1.1M–$7.2M; Pre-Seed $1.1M–$3.5M; Series A $3.9M–$15M
  • Lead/follow: 1% lead, 99% follow

Portfolio highlights

  • Oraion — Your single source of truth for enterprise data
  • Stackfix — Stackfix operates as a software comparison platform.
  • Kombo — One unified API for HRIS, Payroll & ATS
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Biz Stone
Angel · San Francisco, California, United States · 4 investments in CleanTech startups

Biz Stone is the Co-founder and CEO of Jelly Industries, Inc. He previously worked at The Obvious Corporation as a Co-founder and Chief Creative Officer. Biz Stone attended Northeastern University.

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Investment focus

  • Industry: Software, Apps, Mobile
  • Stage:Seed, Series A, Pre-Seed
  • Geography: United States, United Kingdom, India

Investor stats

  • Total investments: 56
  • Round size: Seed $1M–$9M; Pre-Seed $375k–$2M; Series A $2.5M–$20M
  • Lead/follow: 4% lead, 96% follow

Portfolio highlights

  • Yupp — Every AI for everyone
  • Karat Financial — Karat is the best card for creators, helping you save money, earn rewards, and grow your channel faster - because content IS a business.
  • Vantage Discovery — Vantage Discovery is a generative AI-powered SaaS platform that enables intelligent search, discovery, and personalized recommendations so apps can deliver breathtaking customer experiences.
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Chris Murphy
Angel · Stockholm, Stockholms Lan, Sweden · 3 investments in CleanTech startups

Chris Murphy is a Venture Partner at MS&AD Ventures. He previously cofounded SaaStock and was an early Web Summit employee.

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Investment focus

  • Industry: Software, SaaS, Information Technology
  • Stage:Seed, Pre-Seed, Series A
  • Geography: United States, Germany, Denmark

Investor stats

  • Total investments: 61
  • Round size: Seed $1.8M–$9.9M; Pre-Seed $1.7M–$3.3M; Series A $7.5M–$35M
  • Lead/follow: 0% lead, 100% follow

Portfolio highlights

  • Zero — Protect your devices and gain access to websites. Round-the-clock customer support. VPN for Windows, Android, macOS, iOS, and routers. Free trial period.
  • Twirl — A seamless experience for deploying data products
  • SimpleStudy — Learn smarter with revision notes, past papers, quizzes, and expert tools for major Irish academic exams. Join SimpleStudy Ireland and boost your grades today.
Show all investments...

Christian Kaar
Angel · Austria, Pangasinan, Philippines · 3 investments in CleanTech startups

Christian Kaar is the VP of Finance and Business Analytics at Leaders21com. Christian Kaar attended University of Applied Sciences Upper Austria.

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Investment focus

  • Industry: Apps, Software, Information Technology
  • Stage:Seed, Angel
  • Geography: Austria, United Kingdom

Investor stats

  • Total investments: 7
  • Round size: Seed $650k–$3.6M
  • Lead/follow: 0% lead, 100% follow

Portfolio highlights

  • Inoqo — In a world of over, mis- or blurred information, inoqo wants to provide consumers with scientific-based data on the environmental, social and biodiversity impact of familiar grocery products. Our mission is to help all of us aligning our daily purchasing decisions to our key concerns so that we can actively contribute to a sustainableproduction-consumption cycle.The app uses a specific innovative technology that can passively and smartly track the user’s grocery basket for informing them about -for example- the CO2 impact of their purchase and how aligned it is to their environmental priorities or social valuesThe solution will actively recommend alternative products of lower impact and encourage them through personalized content, gamification and community challenges to further pursue a sustainable lifestyle.We strongly believe that our daily habits can change the world. Our vision is to enable millions of consumers around the globe to learn why and how their consumption decisions impact biodiversity, climate and their own well-being. We want to accelerate the change towards sustainable production: as users consume more responsibly, they create healthy competition between companies who start to produce responsibly.We have ten years left to cut our CO2 emissions by half. From now on, every action counts. Join inoqo.
  • Paired — Paired is your guide to improve your relationship via fun daily questions, couple quizzes, couple games and relationship advice. Try the Paired couples app free now.
  • Mimo — Mimo is an app that teaches the computer science in a fun and interactive way. Mimo’s lessons are fun and interactive, fit into people’s everyday lives, and lead them to make a habit of self-improvement. Getting through to more than 1.5 million people and achieving completion numbers far above the industry average, Mimo is well on its way tobecoming the one-stop shop for education and entertainment on the go.
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David E. Weekly
Angel · Redwood City, California, United States · 3 investments in 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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Uday Kumar Bangalore Shivaraman
Angel · Bengaluru, Karnataka, India · 3 investments in CleanTech startups

Angel / Sophisticated Investor and Trader (Ex London Stock Exchange(LSE), Deutsche Bank, London Clearing House(LCH) ) , Invested in 60+ Startups / 4 successful exits (with Avg 20x) and counting more. (Web3 -> udaybs.ETH )Invested in following asset classes from past 2 decades across UK / India / US / Europe / -Private Equity (Seed / Growth / VC/ Acquisition / Merger) - Equity Markets - Real Estate - FX - Commodity - Bonds - Fintech, Blockchain, Crypto Market, Web3 , DeFi, NFT - Derivative Markets / Hedging / F&O / CFDGrowing Wealth in bumpy economic rides - There is no secret formula. Investment is an art. Being vigilant, dynamic, connecting dots, evaluating risk with constant change, loads of patience and visualising medium to long term.Private Equity Investments across globe in following domains / categories: - Energy - EV / Carbon Footprint - Blockchain / FinTech / AI / ML / Web3 / DeFi - D2C / B2C - Food & Beverages - Pharma - Media & Entertainment

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Investment focus

  • Industry: FinTech, Financial Services, E-Commerce
  • Stage:Seed, Series B, Equity Crowdfunding
  • Geography: United Kingdom, India, United States

Investor stats

  • Total investments: 49
  • Round size: Seed $372k–$2.7M; Series B $11M–$28M; Equity Crowdfunding $3.4M–$13M
  • Lead/follow: 8% lead, 92% follow

Portfolio highlights

  • Agnikul — Agnikul Cosmos designs and manufactures orbital-class launch vehicles powered by 3D-printed engines. From custom payloads to affordable private launches, we make space access simple, scalable, and mission-focused.
  • Log 9 Materials — Log 9 Materials Scientific Private Limited is a graphene research and development company. At Log 9 Materials we are determined to accelerate the commercialization of graphene nanotechnology. We have just developed the first commercial product on graphene- 'Smoke-safe'. This innovative graphene based cigarette filter reduces the risk ofgetting cancer by 90%. We offer a wide range of graphene (CVD graphene, rGO) and its derivatives. We bring to you graphene as researchers and not just manufactures, so we understand the triviality of the grade of our products.
  • Toffee Ride - Learning App for Classes I - IV — Developed by a group of IIM, NIT alumni, with the support of academicians and child development experts, Toffee Ride is an app-based learning program that helps your child develop a thorough understanding of fundamental concepts and improve their language skills. Toffee Ride helps to make productive use of your kid's screen time by keepingthem engaged through a wide variety of fun-filled learning activities. Toffee Ride is specifically designed for Classes I-IV and contains more than 800 + lessons and 6000 + activities, which provide comprehensive coverage of English, Maths, EVS, GK, Social Studies, and Life Skills. Our Vision: “Making premium education affordable”The level of personalized attention required during the formative years is lacking in most schools, except for a few premium ones. Moreover, most parents, especially working professionals, often find it difficult to find time to compliment their kids learning in school. A rather serious implication of this is that children whose development lag behind during their early years find it very difficult to catch up in their higher classes. Through Toffee Ride, we attempt to bridge this gap using technology as an enabler to provide the much-needed personal attention in early learning.
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Kristjan Raude
Angel · 3 investments in CleanTech startups

I am a serial entrepreneur and angel investor with 15+ years of international experience in sales & marketing, leading teams of 300+ with annual revenue of 10M+. Founder of 3 international companies and investor to 10+ startups. Member of the board at Estonian Business Angels Network.

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Investment focus

  • Industry: Software, Automotive, Internet of Things
  • Stage:Seed, Pre-Seed, Equity Crowdfunding
  • Geography: Estonia, United States

Investor stats

  • Total investments: 13
  • Round size: Seed $488k–$1.3M; Pre-Seed $71k–$549k; Equity Crowdfunding $168k–$2.7M
  • Lead/follow: 31% lead, 69% follow

Portfolio highlights

  • Askly — Add multilingual chat to any site in 2 minutes. Providing multilingual customer support is easy and affordable. Start a 30-day free trial today.
  • Snabb — Barking delights vehicle owners by enabling services such as parking, washing, charging, and fuelling from one user-friendly and convenient interface- the Barking App. Browse, book, navigate, start, pay, review and manage your vehicle services from one easy-to-use App.Founded in 2015, we've grown from a Tallinn-based private parking App toan international platform that serves over 50,000 users in 10 markets on a monthly basis.We are constantly working towards connecting all vehicle service providers to our platform and thus enabling the ultimate convenience and simplicity to vehicle owners.
  • Promoty — Influencer marketing platform that helps you to find creators, manage influencer relationships, and save time on influencer marketing. Get started here!
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Kai Hansen
Angel · Berlin, Berlin, Germany · 3 investments in CleanTech startups

business angel // entrepreneur // founder lieferando.de // boardmember booksy.com

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Investment focus

  • Industry: Software, E-Commerce, FinTech
  • Stage:Seed, Series A, Pre-Seed
  • Geography: Germany, United Kingdom, Italy

Investor stats

  • Total investments: 38
  • Round size: Seed $1M–$5.3M; Pre-Seed $796k–$38M; Series A $3M–$60M
  • Lead/follow: 0% lead, 100% follow

Portfolio highlights

  • autarc — We supercharge installers with our OS to become heat pump champions
  • Cylib — The cylib process transfers waste from end of life batteries or production scrap into marketable products. Cylib covers all steps from the discharging of batteries up to hydrometallurgical extraction. Since the whole process is in one hand, also the processing of production scraps as well as black mass is possible.
  • Nesnězeno — Nesnezeno is a platform that helps restaurants, shops, and hotels eliminate the waste of quality food. Through their mobile platform, they sell day-of treats that are nearing their expiration date.
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David Rowan
Angel · London, England, United Kingdom · 3 investments in CleanTech startups

David Rowan is editor of the UK edition of WIRED magazine, which won 2009 Launch of the David Rowan is Editor of the WIRED UK, the technology and trends magazine covering online brands, gadgets and the culture that surrounds them. David has reported on technology for The Times and Channel 4 News, the latter requiring him to illustrate the newiPod Video from the set of a porn shoot. He's also written for The Sunday Times and Telegraph Magazines, and edited the Guardian's on-line content. David has curated an exhibition of British creative talent at the Government's Cabinet Forum conference. He has also addressed the TEDs, and frequently contributes on Newsnight and the Today programme. He also writes a monthly column for GQ. David is in touch with many of the world's leading trend-setters and spotters. In presentations he looks at how the net is disrupting almost every sector, how apps change consumer behaviour and why 'social commerce' is killing traditional marketing. He reveals the 10 trends that will change your market in the next decade - and what you should be doing now to protect yourself.

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Investment focus

  • Industry: Software, Machine Learning, Information Technology
  • Stage:Seed, Pre-Seed
  • Geography: United Kingdom, Croatia, Germany

Investor stats

  • Total investments: 24
  • Round size: Seed $1M–$5.5M; Pre-Seed $484k–$2.6M
  • Lead/follow: 0% lead, 100% follow

Portfolio highlights

  • Onfido, an Entrust company — Onfido digitally proves a user’s real identity using AI technology, by verifying their photo ID and comparing it to their facial biometrics. It means users and businesses can verify their online identities anywhere and anytime, without compromising on experience, inclusion, privacy or security. Onfido powers over 1,500 fintech, banking, andmarketplace clients globally—helping them onboard more users while reducing risk. Identity underpins all transactions, and over the coming years, access to everything will be based on every user's ability to easily and securely prove their legal identity. This will change how we think of access—everything from opening a bank account to self-checking-in to a hotel, and ultimately voting.
  • Zesty — Zesty by DoorDash
  • Carbo Culture — We are a project developer with proprietary climate technology. We are building a rapidly scalable biochar carbon removal solution.
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Justin Hamilton
Angel · Wellington, Wellington, New Zealand · 2 investments in CleanTech startups

Justin Hamilton is Founder, CEO at Clutterbot.

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Investment focus

  • Industry: Environmental Engineering, Aerospace, CleanTech
  • Stage:Seed, Pre-Seed, Series A
  • Geography: United States, India, Canada

Investor stats

  • Total investments: 12
  • Lead/follow: no public data

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.
  • Spaceium — Spaceium develops a spacecraft docking system to support interplanetary missions. Its docking mechanism aims to offer solutions in the fields of In-space refueling with sustainable fueling stations can be an essential part of space exploration. The company's service hubs efficiently store and transfer cryogenic (extremely cold) andnon-cryogenic fuels with zero loss during storage and transfer.
  • Legistify — Legistify offers AI-powered legal operations software to streamline workflows, manage contracts, track legal cases and improve productivity for enterprise legal teams
Show all investments...

Access 48,091 investors

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

Browse database — It's Free!
Matthias Ernst
Angel · Berlin, Berlin, Germany · 2 investments in CleanTech startups

Matthias Ernst is a Managing Partner at ARRtist. He previously worked at XLETIX and attended IESE Business School.

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Investment focus

  • Industry: CleanTech, Software, Clean Energy
  • Stage:Pre-Seed
  • Geography: Germany

Investor stats

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

Portfolio highlights

  • trawa — The partner for renewable and affordable electricity for businesses. Get electricity directly from solar and windparks with corporate PPAs.
  • NeoCarbon — NeoCarbon reverses climate change by dramatically cutting costs of Direct Air Capture leveraging cooling towers around Europe. By retrofitting existing infrastructure without impacting their original function, the time and cost needed to set up a carbon capturing system is improved by up to 10x.
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Bhavik Bajaj
Angel · 2 investments in CleanTech startups

Bhavik Bajaj

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Investment focus

  • Industry: Information Technology, Software, FinTech
  • Stage:Pre-Seed, Seed, Angel
  • Geography: United States, Switzerland, United Kingdom

Investor stats

  • Total investments: 74
  • Round size: Seed $100k–$3M; Angel $15k–$1.6M; Pre-Seed $43k–$1.3M
  • Lead/follow: 24% lead, 76% follow

Portfolio highlights

  • Asepha — Asepha is an AI clinical decision support (CDS) tool to help healthcare professionals make faster clinical decisions.
  • ORA Technologies — E-Commerce, Super App
  • THIRUMALS PAPER ARIZONA PVT. LTD. — TRADING PLATFORM OF PULP , PAPER & PACKAGING
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Kathy Fields
Angel · Andover, Minnesota, United States · 2 investments in 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
  • Lead/follow: no public data

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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Bill Gates
Angel · Washington, District of Columbia, United States · 2 investments in 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, Manufacturing
  • Stage:Series C, Series A, Series B
  • Geography: United States, Canada, Israel

Investor stats

  • Total investments: 96
  • Lead/follow: no public data

Portfolio highlights

  • Mainspring Energy — Flexible onsite generation for data centers, utility, industrial & enterprise applications. Fuel-flexible, fast to deploy, high-efficiency, low NOx power.
  • Echodyne — Echodyne develops and manufactures meta-materials-based radar technologies. The company combines the patented technology of metamaterials with powerful software to create a radar sensor with unprecedented performance at commercial price points. Echodyne's patented technology and powerful software create a high-performance radar platform thatproduces security and machine autonomy solutions for government, defense, and industry.Echodyne was founded in 2014 and is headquartered in Kirkland, Washington.
  • TerraPower — Leading innovations in nuclear applications for reactor and storage technology, while advancing methods to transform the fight against cancer.
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Peter Mertens
Angel · Kefar Sava, HaMerkaz, Israel · 2 investments in CleanTech startups

Peter Mertens

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Investment focus

  • Industry: Software, Automotive, CleanTech
  • Stage:Seed, Pre-Seed, Angel
  • Geography: Germany, Israel

Investor stats

  • Total investments: 8
  • Round size: Seed $1.5M–$4.7M; Pre-Seed $411k–$1.3M
  • Lead/follow: 0% lead, 100% follow

Portfolio highlights

  • Certivity — Certivity offers software to model digital regulatory twins of their products. This will ensure that current regulatory requirements are integrated in the right place in the engineering process. Product compliance will be smarter, safer, more transparent, more efficient, and significantly cheaper.
  • DeepDrive — We are DeepDrive. We are powered by fusion. Absolute professionalism mixed up with our deeply rooted urge to discover. Deep expertise meets revolutionary innovations.
  • Moonblock — Moonblock is a tool to navigate Web3 with the right insights with a Web3 Brand Intelligence platform.
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Shashank Randev
Angel · Mumbai, Maharashtra, India · 2 investments in CleanTech startups

Shashank is Founder VC and Co-Founder of 100X.VC - India's first venture fund to invest in early-stage startups using iSAFE Notes. Portfolio: https://www.100x.vc/. Investments through Randev Ventures Family Office in early-stage startups across India, SEA & USA with a keen interest in B2B Emerging technology, Deeptech,SaaS, Cleantech, and Web3. Randev Ventures is the private investment body of Randev Family Office. He brings entrepreneurial and investment understanding with 15+ years of cross-functional expertise. Previously, he was the Founding member and Vice President of VCCEdge, the SaaS data platform by VCCircle (acquired by News Corporation in 2015). He launched the SaaS platform, led revenue, product development, and growth initiatives for close to seven years at VCCEdge. He has additionally worked with NIIT Ltd. and Zensar Technologies Ltd.He is also an Angel Investor and Advisor with a keen interest and portfolio investments in B2B Emerging technology, Deeptech, SaaS, Cleantech, and Web3 startups. Shashank holds an undergraduate degree in Bachelor of Engineering from Nagpur University, and an MBA from International Management Institute (IMI), New Delhi.Shashank’s professional ability in developing, launching and making the first move when it comes to products and solutions is reflected in the novel model of 100X.VC. As a Co-Founder of 100X.VC, he is part of the Investment Committee and works closely with portfolio companies on how to improve the chances of new products succeeding. And helping them raise followon capital from growth stage VCs, CVCs, and family offices.Specialties: Entrepreneurship, Scaling up Startups, Angel & Seed Investment & Venture Capital

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Investment focus

  • Industry: FinTech, SaaS, CleanTech
  • Stage:Angel, Seed, Pre-Seed
  • Geography: India

Investor stats

  • Total investments: 15
  • Lead/follow: no public data

Portfolio highlights

  • BHyve — Peer Learning at workplace, Knowledge management system, LXP, Learning experience platform in India, Human resource, employee engagement consulting platform which helps organizations to spread tacit knowledge, wisdom & experience within organizations. Improves productivity of organization. BHyve
  • BugBase — Discover, manage, and proactively address vulnerabilities with BugBase's comprehensive suite of services. Our offerings include managed bug bounties, Penetration Testing as a Service (PTaaS), Automated Scanning, and VDP solutions. Enhance your security posture today.
  • EMO — EMO is at the forefront of deep tech innovation in the energy industry, committed to advancing a net-zero future through cutting-edge battery-powered solutions.
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Marc Tarpenning
Angel · San Francisco, California, United States · 2 investments in 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, Drones, Robotics
  • 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

  • Tesla — Tesla is accelerating the world's transition to sustainable energy with electric cars, solar and integrated renewable energy solutions for homes and businesses.
  • 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.
  • Mast Reforestation — No-cost reforestation for post-wildfire burned acreage for landowners and foresters, funded by carbon removal credits.
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Gaurav Gupta
Angel · Mumbai, Maharashtra, India · 2 investments in CleanTech startups

Gaurav Gupta

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Investment focus

  • Industry: Solar, Energy, CleanTech
  • Stage:Angel
  • Geography: India

Investor stats

  • Total investments: 2
  • Round size: Angel $135k–$197k
  • Lead/follow: 0% lead, 100% follow

Portfolio highlights

  • ZunRoof — Buy solar systems at lowest price. Install solar rooftop to get lowest price and best quality solar panel, inverter, structure. Get a Solar Rooftop. Quality and subsidy assured. Reduce Electricity Bill by 100% by Going Solar. Make Money from Sun.
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Edward Kim
Angel · Seattle, Washington, United States · 2 investments in 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 unlocks access to global utility data. Our technology powers the next generation of climate solutions, giving anyone the tools to electrify and decarbonize.
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Leopold König
Angel · Hamburg, Arkansas, United States · 2 investments in CleanTech startups

Leopold König is the Co-Founder and Managing Director at Customcells. He was a Research Fellow at Fraunhofer Institute for Silicon Technology.

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Investment focus

  • Industry: Battery, CleanTech, Chemical Engineering
  • Stage:Seed
  • Geography: Germany

Investor stats

  • Total investments: 3
  • Round size: Seed $3.9M–$5.7M
  • Lead/follow: 0% lead, 100% follow

Portfolio highlights

  • BTRY — BTRY is a spin-off of EMPA and ETH and is developing the industry's first energy-dense solid-state battery, using sophisticated semiconductor manufacturing technologies.
  • Cylib — The cylib process transfers waste from end of life batteries or production scrap into marketable products. Cylib covers all steps from the discharging of batteries up to hydrometallurgical extraction. Since the whole process is in one hand, also the processing of production scraps as well as black mass is possible.
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Rand Hindi
Angel · Paris, Ile-de-France, France · 2 investments in 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

  • Ready — Join over 2 million Argent users and get the best of Ethereum at a fraction of the cost. Easily buy, earn, stake and invest in crypto on Starknet.
  • Gouach — To power people and the planet with sustainable energy.
  • Pianity — The new way to experience and discover music! Own rare musical gems attached to amazing fan experiences, Support talented upcoming artists, and join exclusive and authentic communities...
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Serge Chiaramonte
Angel · London, England, United Kingdom · 2 investments in CleanTech startups

Serge Chiaramonte

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Investment focus

  • Industry: FinTech, Financial Services, Information Technology
  • Stage:Seed, Pre-Seed
  • Geography: United Kingdom, United States, France

Investor stats

  • Total investments: 57
  • Round size: Seed $1.2M–$5.3M; Pre-Seed $637k–$38M
  • Lead/follow: 0% lead, 100% follow

Portfolio highlights

  • Desia — Desia provides advanced AI applications for productivity, automation, and analytics for financial services.
  • qomodo — Qomodo: La piattaforma BNPL innovativa. Rate a tasso zero, approvazioni veloci, transazioni sicure. Rivoluzionaria nell'acquisto per aziende e consumatori.
  • Tranched — Introducing real-time on-chain securitisation. Fintech Lenders and Professional Investors can now launch an institutional-grade transaction up to 90% faster than before.
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Andrea Dusi
Angel · Verona, Veneto, Italy · 2 investments in CleanTech startups

Entrepreneur and investor. After working in management consulting, in 2006 he created Wish Days, known above all for the Emozione3 gift boxes. In April 2016, he sold the company to the Smartbox group with a millionaire exit. In 2017, together with Cristina Pozzi, already a partner in Wish Days he founded Impactscool.He is advisor of dozens oftechnological initiatives and business angels in 150+ startups focusing on clean tech.He is the author of the book “Come far fallire una startup ed essere fellici” – How to make a startup fail and be happy, published by Bompiani, Bestseller in 2018.

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Investment focus

  • Industry: Biotechnology, Health Care, CleanTech
  • Stage:Seed, Pre-Seed, Series A
  • Geography: Italy, United States, United Kingdom

Investor stats

  • Total investments: 15
  • Round size: Seed $150k–$6M; Series A $3.8M–$15M
  • Lead/follow: 7% lead, 93% follow

Portfolio highlights

  • Talyn Air — Inspired by two-stage rockets, our innovative eVTOL uses two flight vehicles to transform flight. Fixed-wing performance with VTOL capabilities.
  • BillionToOne — We are a team at the forefront of disease detection focused on moving Prenatal Screening and Liquid Biopsy forward.
  • CaSRevolution — A novel disease-modifying approach against neurodegeneration
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Torge Thönnessen
Angel · Itzehoe, Schleswig-Holstein, Germany · 2 investments in CleanTech startups

Torge Thönnessen is the Co-founder and CEO at Custom Cells.

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Investment focus

  • Industry: Battery, CleanTech, Chemical Engineering
  • Stage:Seed
  • Geography: Germany

Investor stats

  • Total investments: 3
  • Round size: Seed $3.9M–$5.7M
  • Lead/follow: 0% lead, 100% follow

Portfolio highlights

  • BTRY — BTRY is a spin-off of EMPA and ETH and is developing the industry's first energy-dense solid-state battery, using sophisticated semiconductor manufacturing technologies.
  • Cylib — The cylib process transfers waste from end of life batteries or production scrap into marketable products. Cylib covers all steps from the discharging of batteries up to hydrometallurgical extraction. Since the whole process is in one hand, also the processing of production scraps as well as black mass is possible.
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Akshay Singhal
Angel · Bengaluru, Karnataka, India · 2 investments in CleanTech startups

Akshay Singhal is the Co-Founder and CEO at Log 9 Materials a sub-organization of Log 9 Spill Containment.

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Investment focus

  • Industry: Pet, AgTech, Battery
  • Stage:Seed, Pre-Seed
  • Geography: India, United States

Investor stats

  • Total investments: 7
  • Round size: Seed $1.2M–$3.4M; Pre-Seed $1.1M–$1.9M
  • Lead/follow: 14% lead, 86% follow

Portfolio highlights

  • Loopworm — Insect Biosciences and Biomanufacturing Company Sustainable Proteins & Fats for Animals Active Ingredients forPlant Biostimulants Silkworm Biofactories for Recombinant Proteins Pet Nutrition and Wellness We utilize insects as a bioresource.We develop technologies to process insects into value-added products.The world is moving towards alternative bioresources and we choose insects because they are sustainable and have an
  • Climes — The easiest way for individuals and brands to become climate-friendly. Take real climate action alongside everyday consumption. All in a single click.
  • SWIZZLE — SWIZZLE delivers cocktail kits at home.
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Sir Ronald Cohen
Angel · London, England, United Kingdom · 2 investments in CleanTech startups

Ronald Cohen is Chairman of the Global Social Impact Investment Steering Group and The Portland Trust. He is a co-founder director of Social Finance UK (2007-11), Social Finance USA, and Social Finance Israel, and of Big Society Capital. He was co-founder Chair of Bridges Ventures (2002-2012).He chaired the Social Impact Investment Taskforceestablished under the UK’s presidency of the G8 (2013-2015), the Social Investment Task Force (2000-2010) and the Commission on Unclaimed Assets (2005-2007). In 2012 he received the Rockefeller Innovation Award for innovation in social finance.He co-founded and was Executive Chairman of Apax Partners Worldwide LLP (1972-2005). He was a founder director and Chairman of the British Venture Capital Association and a founder director of the European Venture Capital Association.He is a graduate of Oxford University, where he was President of the Oxford Union. He is an Honorary Fellow of Exeter College, Oxford. He has an MBA from Harvard Business School to which he was awarded a Henry Fellowship.He is a member of the Board of Dean’s Advisors at Harvard Business School and Vice-Chairman of Ben Gurion University. He is a former director of the Harvard Management Company and the University of Oxford Investment Committee. He is a former member of the Harvard University Board of Overseers (2007-2013), former Trustee of the British Museum (2005-2012) and a former trustee of the International Institute for Strategic Studies (2005-2011).In 2007, Sir Ronald published: “The Second Bounce of the Ball – Turning Risk into Opportunity”.

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Investment focus

  • Industry: Health Care, Financial Services, Apps
  • Stage:Series A, Seed
  • Geography: Israel, United States, United Kingdom

Investor stats

  • Total investments: 20
  • Round size: Seed $8M–$100M; Series A $1.7M–$30M
  • Lead/follow: 5% lead, 95% follow

Portfolio highlights

  • Selina — Stay in stylish accommodations with vibrant spaces, community-driven events, and unforgettable experiences. Book your Socialtel adventure today!
  • Circles - Online Group Support — Join Circles, the leading support group solution for recovery from narcissistic abuse and toxic relationships. Find support and healing today.
  • Glide Identity — Transform your digital security with Glide Identity's AI-powered authentication suite. Our solutions - Magical Auth, Smart Checkout, and That's Me - deliver unmatched security with seamless user experience
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Mark Cuban
Angel · Dallas, Texas, United States · 2 investments in CleanTech startups

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: 186
  • Round size: Seed $600k–$9M; Series A $3.2M–$23M
  • Lead/follow: 23% lead, 77% follow

Portfolio highlights

  • ESAI — ESAI is the viral storytelling platform for Gen Z college applicants and young professionals.
  • Yendo — Our mission is to provide everyone with the most accessible, most affordable, and most transparent credit by leveraging their vehicles.
  • Polygon — Polygon is the most proven way to build and scale your decentralized application and projects on Ethereum, the world's largest blockchain ecosystem.
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Chris Sang
Angel · Sydney, New South Wales, Australia · 2 investments in CleanTech startups

Venture Capitalist, Managing Partner, Chief Technology Officer

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Investment focus

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

Investor stats

  • Total investments: 119
  • Round size: Seed $337k–$3.4M; Pre-Seed $350k–$900k; Series A $2.5M–$21M
  • Lead/follow: 13% lead, 87% 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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Karim Tabet Jalbout
Angel · London, England, United Kingdom · 2 investments in CleanTech startups

Karim Jalbout, based in London, leads the Digital and eCommerce segments of Egon Zehnder’s Technology and Communications Practice in Europe. Karim also leads the firm’s Chief Marketing Officers Practice in the UK. He is a trusted advisor to private equity, family-owned businesses, and start-ups at the C-suite and board levels. Karim has servedclients across hospitality, travel, publishing, financial services, telecommunications, pure play, and retail. He has deep experience in emerging markets, particularly India.Prior to joining Egon Zehnder, Karim was Global Head of Propositions & Sales at Sony Ericsson Mobile, where he drove early investment in the Android platform. Previously, Karim gained more than a decade of FMCG experience with Diageo. He started his career working in Brand Management for Guinness in Canada, then moved to London as Brand Controller Guinness and Malta Guinness for the Africa region. Karim subsequently led Baileys in the UK market and was Marketing Director for Guinness in Europe, including Ukraine and Russia. Karim earned a Bachelor of Commerce from Queen’s University in Canada and completed the Executive Education program at Stanford Graduate School of Business. He has been a key speaker at the Digital Innovation Summit as well as for Endeavour (a global entrepreneur network) and LIFE (an international non-profit organization for Lebanese Executives in Finance).

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Investment focus

  • Industry: Battery, CleanTech, Chemical Engineering
  • Stage:Seed
  • Geography: Germany

Investor stats

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

Portfolio highlights

  • Cylib — The cylib process transfers waste from end of life batteries or production scrap into marketable products. Cylib covers all steps from the discharging of batteries up to hydrometallurgical extraction. Since the whole process is in one hand, also the processing of production scraps as well as black mass is possible.
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Maximilian Odendahl
Angel · Cologne, Nordrhein-Westfalen, Germany · 2 investments in CleanTech startups

Maximilian Odendahl - CEO & Co-Founder @ Silexica

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Investment focus

  • Industry: Battery, CleanTech, Chemical Engineering
  • Stage:Seed, Series A
  • Geography: Germany, United Kingdom

Investor stats

  • Total investments: 4
  • Round size: Seed $3.6M–$13M
  • Lead/follow: 0% lead, 100% follow

Portfolio highlights

  • SpAItial — SpAItial is a novel artificial intelligence paradigm that can create and reason about the physics and appearance of both imagined and real-world surroundings.
  • Cylib — The cylib process transfers waste from end of life batteries or production scrap into marketable products. Cylib covers all steps from the discharging of batteries up to hydrometallurgical extraction. Since the whole process is in one hand, also the processing of production scraps as well as black mass is possible.
  • AllFocal Optics — AllFocal Optics revolutionizes display technology through groundbreaking nanophotonic solutions.
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Job Dura
Angel · 2 investments in CleanTech startups

Job Dura

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Investment focus

  • Industry: Energy, CleanTech, Architecture
  • Stage:Series A
  • Geography: The Netherlands

Investor stats

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

Portfolio highlights

  • PHYSEE Technologies — We envision energy-neutral buildings, designed for well-being. We develop solar, sensor and coating technologies that activate glass for added value.
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Elon Musk
Angel · Los Angeles, California, United States · 2 investments in CleanTech startups

Elon Musk has co-founded companies such as SpaceX and tunneling startup The Boring Company, and has played served as CEO of Tesla Motors since 2008. He previously worked as a sales manager at many enterprise LLCs. Elon Musk attended the University of Pennsylvania and received bachelor's degrees in economics and physics.

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Investment focus

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

Investor stats

  • Total investments: 16
  • Lead/follow: no public data

Portfolio highlights

  • 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.
  • Quarterly Global — Quarterly Global is an established leader of targeted marketing and advertising solutions. We enable companies and individuals to excel in their respective industries.Our portfolio of products and solutions offer clients competitive intelligence, advertising, training, consulting, marketing, lead generation and readership. Our solutions liketargeted advertising, marketing, training and consulting are based on Quarterly Global’s track record of helping companies grow through organic brand discovery strategies.Our marketing and advertising portfolio include the brands like Network Story, Keywords Today, Trade and Money, Bouncegate, Socialyk, Sparterr, Wheels and Bikes, Gears and Tools, Better Ad Spend, Better Adverts, Peprfeed, Curation Land, Community Cult, Politixer, Funcxnal, Be Bollywood, Insane Hollywood, The Cricket Hub, Read to Code, Voucher Bird and 100 others.Quarterly Global delivers proprietary content, digital products, insights, training, branding, targeted advertising and marketing excellence through these brands.Quarterly Global’s products provide customers with competitive advertising and marketing intelligence. Exclusive reports, insights and case studies by Quarterly Global help clients outgrow their competition. These insights and reports are actionable and independently verified from various trusted sources.Our products help the marketing and advertising needs of various industries through engagement with over 75 million targeted readers across all our brands. We help companies Discover. Connect. Convert.
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Eugene Goldberg
Angel · New York, New York, United States · 2 investments in 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 unlocks access to global utility data. Our technology powers the next generation of climate solutions, giving anyone the tools to electrify and decarbonize.
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Markku Jääskelainen
Angel · Miami, Florida, United States · 2 investments in CleanTech startups

Markku Jääskelainen.

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Investment focus

  • Industry: Drones, Big Data, Software
  • Stage:Seed, Series A
  • Geography: Estonia

Investor stats

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

Portfolio highlights

  • Hepta Insights — Hepta provides automated power grid management and analysis using autonomous drones and powerful analytics software. Visit our website to find out more!
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Alfred Luger
Angel · Austria, Pangasinan, Philippines · 2 investments in CleanTech startups

Alfred Luger

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Investment focus

  • Industry: Software, Apps, E-Learning
  • Stage:Seed, Angel, Pre-Seed
  • Geography: Austria, Germany, United Kingdom

Investor stats

  • Total investments: 17
  • Round size: Seed $650k–$3.6M; Angel $713k–$1M; Pre-Seed $768k–$1.9M
  • Lead/follow: 6% lead, 94% follow

Portfolio highlights

  • eco.mio — eco.mio enables companies to reach their climate targets while realizing significant savings: Incentivize employees to travel consciously with eco mio's end-to-end integrated software solution.
  • Viora - visible through confidence — Ada Growth is on a mission to put a mentor in every woman's pocket. We combine AI with microlearning to provide professional growth and development tools for women in the workplace and help companies attract, retain, and grow female talent. Download the Ada App today!The Ada App is a microlearning app that provides 2 minute short formvideos, miniquizzes, action items, and summaries that lead to long-term behavioral changes in the workplace. It also contains a digital mentor that can provide dynamic coaching in the spirit of the Ada App library of content, so that Ada App users have access to casual lessons when they have a few minutes a day as well as immediate feedback for any upcoming situation.Ada Growth serves the B2B enterprise and SME space primarily to companies with over 400 employees. We sell a professional growth / EdTech / L&D solution to HR, Employee Training and DEI administrators. We are vertical agnostic and provide a growth experience for both white collar and blue collar workers. Most EdTech solutions tend to flow to the corporate office layer of an enterprise, where this is a saturation of resources available. Many of our users have not been given professional growth tools purposefully built for them before or made flexible for their lifestyle, unlocking value for both the employee as well as the employer.We are the first enterprise-ready professional EdTech solution built specifically for women.
  • 123-Transporter — Transporter mieten ab nur 45€ Volle 24h | Unlimitierte KM | digitale Vignette inkl. Einfach. Flächendeckend. Kundenzentriert: https://de.trustpilot.com/review/123-transporter.at
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Luke Kupersmith
Angel · Los Angeles, California, United States · 2 investments in 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 unlocks access to global utility data. Our technology powers the next generation of climate solutions, giving anyone the tools to electrify and decarbonize.
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Rex Burgdorfer
Angel · Chicago, Illinois, United States · 2 investments in 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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Elizabeth Cutler
Angel · New York, New York, United States · 2 investments in 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 — cheersy is digital platform and aims to link couples who are engaged with high-quality wedding day coordinators.
  • 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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Garrett Camp
Angel · San Francisco, California, United States · 2 investments in CleanTech startups

Garrett Camp is the Founder of Expa and Founding Partner of Mix. He attended the University of Calgary

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Investment focus

  • Industry: Software, Logistics, Apps
  • Stage:Seed, Series A
  • Geography: United States, Poland, Germany

Investor stats

  • Total investments: 23
  • Round size: Seed $850k–$8.7M; Series A $15M–$19M
  • Lead/follow: 30% lead, 70% follow

Portfolio highlights

  • Distill — The domain name Distill.cc presents a sleek and innovative image, evoking thoughts of refinement, clarity, and distillation of ideas. With its concise 7 letter, 2 syllable, one-word structure, it is not only easy to remember but also exudes
  • Xperiel — Xperiel's technology helps companies harness the magic of industry-changing apps like Uber, Starbucks, and Pokemon Go, where the physical world meets the digital.
  • Forward — Forward is revolutionary primary care focused on your long-term health, with top-rated doctors supported by technology.
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Ashley Mayer
Angel · San Francisco, California, United States · 2 investments in 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, Drones
  • 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.
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Ali Omar
Angel · Helsinki, Southern Finland, Finland · 2 investments in CleanTech startups

Ali Omar is a Member of the Finnish Business Angels Network. He attended Aalto University and the University of Oulu.

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Investment focus

  • Industry: Software, SaaS, Artificial Intelligence
  • Stage:Seed, Pre-Seed, Angel
  • Geography: Finland, United States, Estonia

Investor stats

  • Total investments: 62
  • Round size: Seed $263k–$2.1M; Angel $53k–$1.6M; Pre-Seed $163k–$724k
  • Lead/follow: 16% lead, 84% follow

Portfolio highlights

  • MÖ Foods — MÖ Kaurajogu is domestic, completely herbal and above all delicious. All our products are manufactured in Central Ostrobothnia, Lohtaja.
  • React & Share — High volume, high quality feedback directly from your customers. React & Share helps digital comms teams improve their websites and satisfy their customers.
  • Plain Complex — VUOROX IS AN AI-POWERED ROSTER SCHEDULING APP FOR HEALTHCARE
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Holly Branson
Angel · London, England, United Kingdom · 2 investments in CleanTech startups

Holly Branson Chief Purpose and Vision Officer at Virgin.

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Investment focus

  • Industry: Energy, CleanTech, Logistics
  • Stage:Seed, Pre-Seed, Series A
  • Geography: United Kingdom

Investor stats

  • Total investments: 6
  • Round size: Seed $2.7M–$3.5M; Series A $13M–$14M
  • Lead/follow: 0% lead, 100% follow

Portfolio highlights

  • Oxwash — Powered by Vanish, Oxwash provides on-demand laundry and eco-friendly dry cleaning services, creating a simple and sustainable laundry service for all.
  • Tem-Energy — Power, as it should be. We've reinvented how energy is bought and sold, so businesses pay less and generators earn more.
  • Papaya — Papaya offers platform to source, run and manage your electric vehicles.
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Anna Alex
Angel · Berlin, Berlin, Germany · 2 investments in CleanTech startups

In 2012 Anna together with her co-founder Julia launched OUTFITTERY with the vision to create a shopping experience for men that is convenient, fun and inspiring. Today, OUTFITTERY serves individual outfits to over 600k men in eight countries and Anna is one of the most famous female entrepreneurs in Europe. In 2016, she was voted amongst Europe’s“Inspiring Fifty”, the 50 most inspirational women in tech. Prior to OUTFITTERY Anna lead the IT of the Swiss group buying platform DeinDeal in Zurich. She studied economic sociology in Freiburg and Paris.

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Investment focus

  • Industry: Software, CleanTech, Information Technology
  • Stage:Pre-Seed, Seed
  • Geography: Germany, France

Investor stats

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

Portfolio highlights

  • finres — Finres empowers decision-making for climate resilience, leveraging machine learning to enhance agricultural sustainability and adaptation strategies.
  • kolum.earth — EU companies importing cement, iron and steel, aluminium, fertilisers, electricity or hydrogen from non-EU countries can use the kolum.earth software solution to create their Carbon Boder Adjustment Mechanism (CBAM) reporting, measure carbon emissions attached to their imports, and communicate with their non-EU suppliers to become fully CBAM-compliant.
  • forward earth — Next-Gen carbon management for a sustainable future. AI-driven, automated, compliant, fast, and secure. Be prepared for requirements of CSRD, SFRD, EU-Taxonomy, and kick-start your carbon reduction and abatement program. White-label options for partners.
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Madis Müür
Angel · Tallinn, Harjumaa, Estonia · 2 investments in CleanTech startups

Madis Müür

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Investment focus

  • Industry: Apps, Cycling, Security
  • Stage:Seed, Equity Crowdfunding, Pre-Seed
  • Geography: Estonia, United States

Investor stats

  • Total investments: 6
  • Round size: Seed $549k–$1.3M; Equity Crowdfunding $100k–$1.3M
  • Lead/follow: 67% lead, 33% follow

Portfolio highlights

  • Bikeep — Smart bike and e-scooter stations with app access, fire-safe e-charging, and real-time monitoring from anywhere. 10,000+ devices across 30+ countries.
  • Promoty — Influencer marketing platform that helps you to find creators, manage influencer relationships, and save time on influencer marketing. Get started here!
  • FleetFox — Full-stack fleet care service. Hands-on fleet services powered by technology for car-sharing and business fleets across Europe.
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Guilherme Kudiess
Angel · Porto Alegre, Rio Grande do Sul, Brazil · 2 investments in CleanTech startups

Guilherme Kudiess - COO @ VENTIUR

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Investment focus

  • Industry: Artificial Intelligence, SaaS, CleanTech
  • Stage:Pre-Seed, Seed
  • Geography: Brazil

Investor stats

  • Total investments: 11
  • Lead/follow: no public data

Portfolio highlights

  • ESG Now — We are a SaaS company that provides a all ESG Management on a single platform. ESG Now concentrates the functionalities necessary for the implementation, operationalization and monitoring of a 360° ESG strategy, making your company's management more agile, effective and integrated.
  • Payer — Payer specializes in helping choosing and connecting the best payment methods and digital services for businesses.
  • FORME — FORME - Financial Education is a socio-emotional financial education curriculum designed to train primary school kids to be financially conscious. The company is a teaching system with technology and special materials matched with the BNCC, based on behavioral economic psychology, with practical content that pertains to students' real-lifesituations, hence promoting learning.
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Vishal Rao
Angel · Boston, Massachusetts, United States · 2 investments in CleanTech startups

Advisory CTO and Angel Investor

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Investment focus

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

Investor stats

  • Total investments: 73
  • Round size: Seed $500k–$5.5M; Pre-Seed $23k–$3M
  • Lead/follow: 1% lead, 99% follow

Portfolio highlights

  • SiPhox Health — Painless, 5-minute biomarker testing at home. Clear insights, trend tracking, and a personalized plan built around your results.
  • Delphi — Delphi turns your expertise into an always-on presence, so you can grow your reach, serve your audience, and lead with clarity, without burning out.
  • Cerebras Systems — Cerebras is the go-to platform for fast and effortless AI training. Learn more at cerebras.ai.
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Luigi Bajetti
Angel · Silicon Valley, California, United States · 2 investments in 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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Jonathan Seaton
Angel · Sheffield, Sheffield, United Kingdom · 2 investments in CleanTech startups

Jonathan Seaton is the co-founder and chief executive officer at Twinkl.

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Investment focus

  • Industry: Software, Education, Music
  • Stage:Seed, Pre-Seed
  • Geography: United States, United Kingdom, Canada

Investor stats

  • Total investments: 31
  • Round size: Seed $589k–$3.8M; Pre-Seed $196k–$1.2M
  • Lead/follow: 19% lead, 81% follow

Portfolio highlights

  • Bippit — Financial concerns are the No. 1 cause of stress at work. Bippit delivers expert guidance, planning tools, and support to every employee at every stage.
  • Wally Health — Unlimited dental cleanings and whitening for $199/year
  • Growth Kitchen — Growth Kitchen provides a network of delivery-optimized kitchens coupled with food delivery solutions and support.
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David Helgason
Angel · Copenhagen, Hovedstaden, Denmark · 2 investments in CleanTech startups

David is a technologist, the founder of Unity Technologies, non-exec director to others, and a restless entrepreneur with a passion for creating feedback loops between innovation and teams and products, applying new and old business models to changing industries, and pushing people to do the very best they can do.David's background is inprogramming, an assortment of university dabbling, creating companies, and helping entrepreneurs. He served as CEO of Unity Technologies since co-founding it in 2003 and until October 2014, with an unflinching vision to democratize game development, and to develop technology and business models for the next phase of the games industry. David Helgason attended the University of Copenhagen.

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Investment focus

  • Industry: Software, Gaming, Information Technology
  • Stage:Seed, Series A
  • Geography: United States, Denmark, Finland

Investor stats

  • Total investments: 71
  • Round size: Seed $1.1M–$8M; Series A $4.3M–$30M
  • Lead/follow: 1% lead, 99% follow

Portfolio highlights

  • Yousician — Yousician is a fun way to learn the guitar, piano, bass, ukulele or singing. Enjoy thousands of songs with Yousician as your personal music teacher!
  • Absurd:Joy — absurd:joy is bringing joy to remote collaboration with Tangle
  • Noice — Join the team build an awesome combo of social x playful x platform.
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Warren Buffett
Angel · Omaha, Nebraska, United States · 2 investments in CleanTech startups

Warren Buffet is a businessman and investor. He was born Warren Edward Buffett on August 30,1930, in Omaha, Nebraska. Buffett's father Howard worked as stockbroker and served as U.S. Congressman. His mother, Leila Stahl Buffett, was a homemaker. Buffett was the second of three children and the only boy.Buffett demonstrated a knack forfinancial and business matters early on in his childhood. Friends and acquaintances have said the young boy was a mathematical prodigy, and was able to add large columns of numbers in his head-a talent he still occasionally shows off to friends and business associates.Warren often visited his father's stockbrokerage shop as a child, and chalked in the stock prices on the blackboard in the office. At 11 years old he made his first investment; he bought three shares of Cities Service Preferred at $38 per share. The stock quickly dropped to only $27, but Buffett held on tenaciously until they reached $40. He sold his shares at a small profit, but regretted the decision when Cities Service shot up to nearly $200 a share. He later cited this experience as an early lesson in patience in investing.By the age of 13, Buffett was running his own businesses as a paperboy and selling his own horseracing tip sheet. That same year, he filed his first tax return, claiming his bike as a $35 tax deduction.In 1942, Buffett's father was elected to the U.S. House of Representatives, and his family moved to Fredricksburg, Virginia, to be closer to the congressman's new post. Buffett attended Woodrow Wilson High School in Washington, D.C., where he continued plotting new ways to make money. During his high school tenure, he and a friend purchased a used pinball machine for $25. They installed it in a Washington, D.C. barbershop and, within a few months, the profits of the machine allowed Buffett and his friend to buy other machines. Buffett owned three machines in three different locations before he sold the business to a War Veteran for $1,200.Buffett enrolled at the University of Pennsylvania at the age of 16 to study business. He stayed two years, moved to the University of Nebraska to finish up his degree, and emerged from college at age 20 with nearly $10,000 from his childhood businesses.Buffett attended Columbia University for his advanced degree and in 1956, shortly after graduation, he formed the firm Buffett Partnership in his hometown of Omaha. His investment successes, particularly in buying undervalued companies whose stocks shortly began to rise, made him extremely rich and gained him the sobriquet, "Oracle of Omaha." Other notable career succeses include helping rescue Salomon Brothers from corporate raiders (1987) and taking charge of the New York City house (1992) in the wake of an insider trading scandal.In June 2006, Buffett made an announcement that he would be giving his entire fortune away to charity, committing 85 percent of it to the Bill and Melinda Gates Foundation. This donation became the largest act of charitable giving in United States history.The majority of Buffett's considerable fortune was amassed through Berkshire Hathaway, a company for which he is the largest shareholder and CEO. Ranked as Forbes' wealthiest man in 2008, his net worth is estimated at more than $62 billion.Source:

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Investment focus

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

Investor stats

  • Total investments: 16
  • Lead/follow: no public data

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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CleanTech Angel investor funding at a glance

Stats across 322 deals from 474 investors.

474
investors
in CleanTech startups
322
deals
in CleanTech startups
$2.6M
median round
in CleanTech startups
11%
lead investors
lead at least one round
38%
Seed
most common funding stage

Access all 474 angel investors in CleanTech startups.

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