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Top 50 CleanTech Angel Investors (September 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
Biz Stone
Angel
4 United States, United Kingdom, India Seed, Series A, Pre-Seed Software, Apps, Internet $375k–$20M
Uday Kumar Bangalore Shivaraman
Angel
4 United Kingdom, India, United States Seed, Series B, Equity Crowdfunding FinTech, Financial Services, Software $163k–$32M
Ali Omar
Angel
4 Finland, United States, Estonia Seed, Pre-Seed, Angel Software, Artificial Intelligence, SaaS $57k–$2.2M
Christian Kaar
Angel
4 Austria, United Kingdom Seed, Angel, Pre-Seed Apps, Software, Information Technology $650k–$3.6M
Paul Forster
Angel
4 United Kingdom, Germany, United States Seed, Series A, Pre-Seed Software, FinTech, Financial Services $1M–$26M
Vishal Rao
Angel
3 United States, India, Canada Seed, Pre-Seed, Series A Software, Artificial Intelligence, Information Technology $500k–$25M
Karim Tabet Jalbout
Angel
3 Germany Seed, Series A Battery, CleanTech, Recycling $3.5M–$8.6M
Ragnar Sass
Angel
3 Estonia, Ukraine, United States Seed, Pre-Seed, Angel Software, Information Technology, Marketplace $206k–$5.9M
Naveen Kshatriya
Angel
3 India Seed, Angel, Pre-Seed Solar, Energy, Finance
Scott Belsky
Angel
3 United States, United Kingdom, Germany Seed, Series A, Pre-Seed Software, Artificial Intelligence, Internet $1.1M–$50M
Sir Ronald Cohen
Angel
3 Israel, United States, United Kingdom Series A, Seed, Venture - Series Unknown Health Care, Software, Financial Services $1.7M–$100M
Tobias Lutke
Angel
3 United States, Canada, United Kingdom Seed, Series A, Series B Software, Artificial Intelligence, FinTech $609k–$74M
David E. Weekly
Angel
3 United States, Israel Seed, Angel, Pre-Seed Drones, Robotics, Aerospace $33k–$1.1M
Kristjan Raude
Angel
3 Estonia, United States Equity Crowdfunding, Seed, Pre-Seed Software, Automotive, Internet of Things $73k–$2.7M
Chris Murphy
Angel
3 United States, United Kingdom, Germany Seed, Pre-Seed, Series A Software, SaaS, Artificial Intelligence $450k–$35M
Kai Hansen
Angel
3 Germany, United Kingdom, Italy Seed, Series A, Pre-Seed Software, E-Commerce, FinTech $841k–$60M
David Rowan
Angel
3 United Kingdom, Croatia, Germany Seed, Pre-Seed, Angel Software, Machine Learning, Artificial Intelligence $486k–$5.5M
Martin Tajur
Angel
2 Estonia, Poland, Ukraine Pre-Seed, Seed, Angel Software, Artificial Intelligence, SaaS $136k–$2.7M
David Pitt-Watson
Angel
2 United Kingdom Seed, Venture - Series Unknown CleanTech, GreenTech, Biotechnology
David Helgason
Angel
2 United States, Denmark, Finland Seed, Series A, Pre-Seed Software, Gaming, Artificial Intelligence $242k–$30M
Simon Rothman
Angel
2 United States, Spain Seed, Series A, Series B Transportation, Automotive, Electric Vehicle $1.2M–$92M
Tim Schumacher
Angel
2 Germany, Sweden, United States Seed, Series A, Pre-Seed E-Commerce, Apps, SaaS $228k–$23M
Brent Hoberman
Angel
2 United Kingdom, United States, France Seed, Series A, Angel Software, Artificial Intelligence, Information Technology $1.5M–$21M
Garrett Camp
Angel
2 United States, Poland, United Kingdom Seed, Series A Software, Mobile, Retail $525k–$8.3M
Luke Kupersmith
Angel
2 United States Angel CleanTech, Clean Energy, Renewable Energy $500k–$500k
Markku Jääskelainen
Angel
2 Estonia Seed, Series A Drones, Big Data, Software
Philipp Kloeckner
Angel
2 Germany Seed, Angel, Pre-Seed Financial Services, FinTech, Banking $3.3M–$7.4M
Jonathan Seaton
Angel
2 United States, United Kingdom, Canada Seed, Pre-Seed Software, FinTech, Education $175k–$3.9M
Elizabeth Cutler
Angel
2 United States Seed, Series A, Pre-Seed Women's, E-Commerce, Health Care $500k–$9.4M
Hampus Jakobsson
Angel
2 Sweden, Denmark, United States Seed, Angel, Series A Health Care, Software, Information Technology $96k–$30M
Matthias Ernst
Angel
2 Germany Pre-Seed CleanTech, Software, Clean Energy
Kathy Fields
Angel
2 United States Series A, Seed, Series B Water, CleanTech, Health Care
Shashank Randev
Angel
2 India Angel, Seed, Pre-Seed FinTech, SaaS, CleanTech
Peter Mertens
Angel
2 Germany, Israel Pre-Seed, Seed, Angel Software, Automotive, CleanTech $414k–$4.9M
Andrea Dusi
Angel
2 Italy, United States, United Kingdom Seed, Pre-Seed, Angel Biotechnology, FinTech, Software $150k–$6M
Sophia Bendz
Angel
2 Sweden, Denmark, United Kingdom Seed, Pre-Seed, Series A Health Care, Software, Artificial Intelligence $408k–$22M
Richard Branson
Angel
2 United States, United Kingdom, Germany Series A, Series B, Series C FinTech, Software, E-Commerce $3M–$161M
Aleksander Stefanowicz
Angel
2 United States, Estonia Seed, Pre-Seed, Series B Big Data, Software, CleanTech $11k–$300k
Gaurav Gupta
Angel
2 India, United States Angel, Series A, Series B SaaS, Solar, Energy $158k–$241k
Chris Sang
Angel
2 United States, Australia, India Seed, Pre-Seed, Series A Software, E-Commerce, FinTech $337k–$21M
Daniel Recanati
Angel
2 Israel, United States, Brazil Seed, Series B, Series A Internet, Analytics, Advertising $543k–$12M
Markus Villig
Angel
2 Estonia, United States, United Kingdom Seed, Pre-Seed, Angel Software, Information Technology, FinTech $230k–$3.5M
Rayyan Islam
Angel
2 United States, France, Switzerland Seed, Series A, Venture - Series Unknown Renewable Energy, Energy, Manufacturing $230k–$250M
T. Chen Fong
Angel
2 Canada, Singapore, United States Seed, Angel, Pre-Seed Software, Artificial Intelligence, Biotechnology $254k–$10M
Sam Branson
Angel
2 United Kingdom Pre-Seed, Series A, Seed Energy, CleanTech, Logistics $12M–$14M
Edward Kim
Angel
2 United States Angel CleanTech, Clean Energy, Renewable Energy $500k–$500k
Holly Branson
Angel
2 United Kingdom Seed, Pre-Seed, Series A Logistics, Energy, CleanTech $2.9M–$14M
Leopold König
Angel
2 Germany, Switzerland Seed, Series A Battery, CleanTech, Manufacturing $3.9M–$5.7M
Job Dura
Angel
2 The Netherlands Series A, Venture - Series Unknown Energy, CleanTech, Architecture
Marc Tarpenning
Angel
2 United States, France, Denmark Series A, Seed, Series D Renewable Energy, Drones, Robotics $1.5M–$36M
Access all 711 angel investors in CleanTech startups.

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

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Investor list

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, Internet
  • Stage:Seed, Series A, Pre-Seed
  • Geography: United States, United Kingdom, India

Investor stats

  • Total investments: 58
  • Round size: Seed $1M–$9M; Pre-Seed $375k–$2M; Series A $2.5M–$20M
  • Lead/follow: 3% lead, 97% follow

Portfolio highlights

  • Yupp — Every AI for everyone
  • Subtle Computing — Introducing Voicebuds. A device that hears only you, even at your quietest.
  • 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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Uday Kumar Bangalore Shivaraman
Angel · Bengaluru, Karnataka, India · 4 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, Software
  • Stage:Seed, Series B, Equity Crowdfunding
  • Geography: United Kingdom, India, United States

Investor stats

  • Total investments: 55
  • Round size: Seed $163k–$4.9M; Series B $11M–$32M; Equity Crowdfunding $1.7M–$13M
  • Lead/follow: 7% lead, 93% follow

Portfolio highlights

  • Kohbee — Kohbee is a mobile app for Creator-Educators to run online business and create personal brand. With Kohbee you can build your website and sell live courses.
  • 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.
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Ali Omar
Angel · Helsinki, Southern Finland, Finland · 4 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, Artificial Intelligence, SaaS
  • Stage:Seed, Pre-Seed, Angel
  • Geography: Finland, United States, Estonia

Investor stats

  • Total investments: 69
  • Round size: Seed $227k–$2.2M; Angel $57k–$1.7M; Pre-Seed $168k–$734k
  • Lead/follow: 14% lead, 86% follow

Portfolio highlights

  • Themo — Themo's innovation is an algorithm that optimizes the price of exchange electricity and the consumption of electricity. Themo offers an easy and environmentally friendly way to save on electricity consumed by heating.
  • GoalProfit — GoalProfit is the world’s first low code retail optimization platform empowering retailers to build customized intelligence applications. It was founded by former IBM executives, Maxim Morozov and Oleg Sidorkin. GoalProfit is on a mission to make big data solutions available for all retailers and help them to survive in a new post-covid reality.
  • Retailgrid — Agentic AI pricing platform for mid-market retailers. Turn messy retail data into structured, explainable price decisions in days, not months.
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Christian Kaar
Angel · Austria, Pangasinan, Philippines · 4 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, Pre-Seed
  • Geography: Austria, United Kingdom

Investor stats

  • Total investments: 8
  • 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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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: 81
  • Round size: Seed $1M–$6.9M; Pre-Seed $1.1M–$3.5M; Series A $3.7M–$26M
  • Lead/follow: 1% lead, 99% follow

Portfolio highlights

  • Oraion — Your single source of truth for enterprise data
  • Wassist — Launch your AI sales agent on WhatsApp for Shopify in under 60 seconds. Recover 30-50% of abandoned carts and increase conversions by 3x.
  • Capsa AI — Providing next-generation investors with a competitive edge.
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Vishal Rao
Angel · Boston, Massachusetts, United States · 3 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, Series A
  • Geography: United States, India, Canada

Investor stats

  • Total investments: 84
  • Round size: Seed $500k–$8.8M; Pre-Seed $500k–$2.1M; Series A $3.8M–$25M
  • Lead/follow: 1% lead, 99% follow

Portfolio highlights

  • Aquaria — Aquaria provides solutions to secure access to clean water. The organization adapts its approaches based on the needs of these communities. It addresses water-related challenges through various methods.
  • 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.
  • Cambridge Terahertz — Cambridge Terahertz, a leader in terahertz (THz) imaging technology, offers an AI-powered Concealed Weapons Detection (CWD) solution to enhance workplace security. Our patent-pending system can see through clothing, luggage, plastic, paper, ceramics, and cardboard to detect concealed threats, including firearms, knives, and explosives.
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Karim Tabet Jalbout
Angel · London, England, United Kingdom · 3 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, Recycling
  • Stage:Seed, Series A
  • Geography: Germany

Investor stats

  • Total investments: 3
  • Round size: Seed $3.5M–$8.6M
  • 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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Ragnar Sass
Angel · 3 investments in CleanTech startups

Ragnar Sass is the Co-Founder of Darkstar Camp. He previously worked at LIFT99 as a Founder and CEO. Ragnar Sass attended Estonian Business School.

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Investment focus

  • Industry: Software, Information Technology, Marketplace
  • Stage:Seed, Pre-Seed, Angel
  • Geography: Estonia, Ukraine, United States

Investor stats

  • Total investments: 35
  • Round size: Seed $677k–$5.9M; Pre-Seed $206k–$2M
  • Lead/follow: 11% lead, 89% follow

Portfolio highlights

  • Alvin — Highly accurate, automated column-level lineage, powering your data workflows.
  • BeTRITON — 100% electric recreational vehicle - revolution in sustainable travel. BeTRITON (formerly known as Z-Triton) offers extraordinary experience and freedom to travel both over land and water.
  • Around — The largest network of workspaces on flexible terms. We are a savvy team from Latin America providing fast-growing companies with on-demand access to flexible office space. Everywhere.We believe work at its best is always creative and collaborative, expressed with freedom, autonomy, and purpose; and the space surrounding us should help us achieveit, anywhere & everywhere.We are shaping the future of work today by improving workspaces and the rules around them, and helping innovative teams find their ideal space to make their best work every day — our first step on a journey to change the way we work and think about work.Our best work. Anywhere. Everywhere. We are Around.
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Naveen Kshatriya
Angel · Mumbai, Maharashtra, India · 3 investments in CleanTech startups

Naveen Kshatriya - Managing Partner, Founder @ Kshatriya ventures

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Investment focus

  • Industry: Solar, Energy, Finance
  • Stage:Seed, Angel, Pre-Seed
  • Geography: India

Investor stats

  • Total investments: 4
  • Lead/follow: 0% lead, 100% follow

Portfolio highlights

  • Peppermint Robotics — Cleaning robots from Peppermint are safer for employees, more efficient, and more eco-friendly than traditional machines.
  • Banyan Environmental Innovations — Banyan Environmental Innovations provides free finance for solar energy.
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Scott Belsky
Angel · New York, New York, United States · 3 investments in CleanTech startups, 17 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: 274
  • Round size: Seed $1.6M–$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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Access 48,091 investors

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

Browse database — It's Free!
Sir Ronald Cohen
Angel · London, England, United Kingdom · 3 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, Software, Financial Services
  • Stage:Series A, Seed, Venture - Series Unknown
  • Geography: Israel, United States, United Kingdom

Investor stats

  • Total investments: 24
  • Round size: Seed $3M–$100M; Series A $1.7M–$30M; Venture - Series Unknown $22M–$100M
  • Lead/follow: 4% lead, 96% follow

Portfolio highlights

  • Selina — Stay in stylish accommodations with vibrant spaces, community-driven events, and unforgettable experiences. Book your Socialtel adventure today!
  • Opmed.ai — Address OR resource shortages with OpMed. Optimize OR scheduling with AI for maximum efficiency, reduced costs, and better patient care.
  • 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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Tobias Lutke
Angel · Ottawa, Ontario, Canada · 3 investments in CleanTech startups, 8 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:Seed, Series A, Series B
  • Geography: United States, Canada, United Kingdom

Investor stats

  • Total investments: 67
  • Round size: Seed $609k–$15M; Series A $4M–$36M; Series B $30M–$74M
  • Lead/follow: 4% lead, 96% 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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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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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:Equity Crowdfunding, Seed, Pre-Seed
  • Geography: Estonia, United States

Investor stats

  • Total investments: 14
  • Round size: Seed $491k–$1.3M; Pre-Seed $73k–$584k; Equity Crowdfunding $171k–$2.7M
  • Lead/follow: 29% lead, 71% 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 — Snabb delights vehicle owners by enabling services such as parking, washing, charging, and fuelling from one user-friendly and convenient interface- the Snabb 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 to aninternational 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. Browse, book, navigate, start, pay, review and manage your vehicle services from one easy-to-use App.
  • 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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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, Artificial Intelligence
  • Stage:Seed, Pre-Seed, Series A
  • Geography: United States, United Kingdom, Germany

Investor stats

  • Total investments: 65
  • Round size: Seed $1.8M–$10M; Pre-Seed $450k–$3.4M; Series A $7.5M–$35M
  • Lead/follow: 0% lead, 100% follow

Portfolio highlights

  • Jack & Jill AI — Jack helps candidates find the perfect job and Jill helps companies find the perfect candidate.
  • 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.
  • Jentic — Jentic is a sovereign agent operating system. Your people and your agents work side by side, and the knowledge they create compounds into something you own.
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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: 39
  • Round size: Seed $1M–$4.9M; Pre-Seed $841k–$37M; Series A $3M–$60M
  • Lead/follow: 0% lead, 100% follow

Portfolio highlights

  • qomodo — Qomodo: La piattaforma BNPL innovativa. Rate a tasso zero, approvazioni veloci, transazioni sicure. Rivoluzionaria nell'acquisto per aziende e consumatori.
  • Karri — Karri Messenger is a data and GPS enabled screen-free device enabling communication between you and your kids, and them and their friends.
  • Surfboard — Get Dialpad Workforce Management (WFM) software for accurate forecasting, demand-driven scheduling, fair shift planning, and more.
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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, Artificial Intelligence
  • Stage:Seed, Pre-Seed, Angel
  • Geography: United Kingdom, Croatia, Germany

Investor stats

  • Total investments: 25
  • Round size: Seed $1M–$5.5M; Pre-Seed $486k–$2.6M
  • Lead/follow: 0% lead, 100% follow

Portfolio highlights

  • EWOR — EWOR is a platform dedicated to transforming aspiring entrepreneurs into successful startup founders through world-class education, mentorship, and investment opportunities.
  • Climate X — Climate X combines climate science and econometrics to deliver precise climate risk data without any black boxes.
  • Rhizocore Technologies — We develop high-performance strains of locally-sourced mycorrhizal fungi to improve tree growth, tree health and tree resiliency. We offer a sustainable solution to increase forest yields whilst improving the ability of trees to sequester carbon.
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Martin Tajur
Angel · Tallinn, Harjumaa, Estonia · 2 investments in CleanTech startups

Martin Tajur is the co-founder of Pipedrive.

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Investment focus

  • Industry: Software, Artificial Intelligence, SaaS
  • Stage:Pre-Seed, Seed, Angel
  • Geography: Estonia, Poland, Ukraine

Investor stats

  • Total investments: 17
  • Round size: Seed $800k–$2.7M; Angel $136k–$566k; Pre-Seed $401k–$2M
  • Lead/follow: 0% lead, 100% follow

Portfolio highlights

  • YuMuuv — YuMuuv is an employee wellness platform that uses science-based formulas to capture data and keeps track of physical activity & leaderboard.
  • Shen.AI — Discover how Shen AI turns your smartphone into a health companion - no wearables, just powerful, camera-based health insights.
  • SegmentStream — At SegmentStream we partner with growth leaders to drive more revenue from paid media through full-funnel attribution, incrementality measurement and automated cross-channel budget allocation powered by predictive AI.
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David Pitt-Watson
Angel · London, England, United Kingdom · 2 investments in CleanTech startups

David Pitt-Watson - Visiting Fellow @ Cambridge Judge Business School

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Investment focus

  • Industry: CleanTech, GreenTech, Biotechnology
  • Stage:Seed, Venture - Series Unknown
  • Geography: United Kingdom

Investor stats

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

Portfolio highlights

  • Nova Pangaea Technologies — NPT is a cleantech company that has developed a revolutionary process technology called REFNOVA. REFNOVA allows customers to converts non-food plant residues into sustainable products such as biochar, activated carbon, biofuel, biopolymers and biochemicals. Our products help customers replace fossil based products and enable decarbonisation.
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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, Artificial Intelligence
  • Stage:Seed, Series A, Pre-Seed
  • Geography: United States, Denmark, Finland

Investor stats

  • Total investments: 81
  • Round size: Seed $1M–$8.3M; Pre-Seed $242k–$2.4M; Series A $5.4M–$30M
  • Lead/follow: 4% lead, 96% follow

Portfolio highlights

  • ScyAI — Risk intelligence that thinks with you.
  • Noah — API-first stablecoin payments, enterprise-grade compliance and real-time settlements, powered by stablecoin technology.
  • Flow Engineering — Requirements management, made collaborative
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Simon Rothman
Angel · San Francisco, California, United States · 2 investments in CleanTech startups

Simon Rothman is a Partner at Greylock Partners and was a Founder and CEO at Glyde. He attended Harvard University.

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Investment focus

  • Industry: Transportation, Automotive, Electric Vehicle
  • Stage:Seed, Series A, Series B
  • Geography: United States, Spain

Investor stats

  • Total investments: 16
  • Round size: Seed $1.2M–$18M; Series A $8M–$92M; Series B $45M–$62M
  • Lead/follow: 31% lead, 69% follow

Portfolio highlights

  • Reby — Reby is a European multinational company involved in the design, construction, financing, operation (DBFO) and maintenance of public sharing transport infrastructure. Today, Reby is the Southern Europe leader in the micromobility field, with over 15 agreements with public administrations. The company was founded by four entrepreneurs (Pep Gómez,Kiran Thomas, Cristina Castillo, and Guillem Pagès) in 2018 as a micromobility operator, winning the first public tender in Europe for kickscooters, in the city of Zaragoza (Spain). During the COVID-19 pandemic, the company increased its R&D efforts, expanding into the MaaS (mobility-as-a-service) economy and the investment banking/franchising business for public administrations (through PPPs), public utility companies, as well as SMEs.
  • Plug — Plug is a wholesale auction that facilitates online buying and selling of used EVs.
  • Blush — Blush is a dating app that transforms online connections with community events, virtual courting, and bonding over shared local favorites. It is a dating platform for those valuing meaningful connections, local community, and a shared mission to inspire positive change in the world. The innovative matching algorithm of the company connects theonline and offline worlds. Users share favorite local spots, and the algorithm forms meaningful connections, fostering bonds over common interests. This personal approach grounds online dating in real-life experiences.
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Tim Schumacher
Angel · Cologne, Nordrhein-Westfalen, Germany · 2 investments in CleanTech startups

Tim Schumacher is a Managing General Partner at World Fund. Tim previously worked at Sedo.com as a Member Board Of Directors. He attended University of Cologne and Stockholm School of Economics.Tim Schumacher Co-Founded and was the longtime CEO of the publicly traded company Sedo AG, which currently has revenues of 130m euros per year andmaintains approximately 350 employees. Since 2012 he has dedicated his professional career to the German startup scene, acting both as a business angel and mentor for young companies with economic potential. His current startups, among many others, are Eyeo/Adblock Plus, Aklamio, Hitfox and Ecosia.

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Investment focus

  • Industry: E-Commerce, Apps, SaaS
  • Stage:Seed, Series A, Pre-Seed
  • Geography: Germany, Sweden, United States

Investor stats

  • Total investments: 36
  • Round size: Seed $247k–$7.3M; Pre-Seed $228k–$2.4M; Series A $1M–$23M
  • Lead/follow: 25% lead, 75% follow

Portfolio highlights

  • JUMiNGO — Jumingo is an international digital shipping and carrier service provider. It is an innovative startup that has made the logistics industry clear and transparent for customers through a digital shipping platform. They facilitate both business and private customers to compare prices, packaging, and booking services from numerous shipping serviceproviders such as UPS, DHL Express, TNT, FedEx, GLS, and DPD with up to 80% discounted rates. Jumingo saves time and money with benefit from the dynamics and flexibility of their comprehensive range of services without any contractual obligations.
  • CareerOS — Gain a competitive edge with our innovative tools, virtual career collaboration, real-time data, and AI enhancements. Guide students each step of the way!
  • CareerOS — CareerOS helps universities supercharge their career services. From coaching to employer engagement, centralize it all in one powerful platform.
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Brent Hoberman
Angel · London, England, United Kingdom · 2 investments in CleanTech startups

Brent Hoberman is the Co-Founder and Executive Chair of Founders Forum. He previously worked at Royal Academy of Arts as a Corporate Advisory Board. Brent Hoberman attended the University of Oxford.

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Investment focus

  • Industry: Software, Artificial Intelligence, Information Technology
  • Stage:Seed, Series A, Angel
  • Geography: United Kingdom, United States, France

Investor stats

  • Total investments: 40
  • Round size: Seed $1.5M–$5.8M; Series A $1.6M–$21M
  • Lead/follow: 30% lead, 70% follow

Portfolio highlights

  • Bardeen — Bardeen is an automation app to replace your repetitive tasks with a single shortcut and control your web apps from anywhere. Explore our integrations with your favorite apps and hundreds of pre-built playbooks that help you stay in the flow.
  • Nous — Find out exactly how your household finances will be affected by the cost-of-living crisis with Nous on your side.
  • Framework — Framework is the world’s first on-demand business school, radically reimagined for them. Born out of Founders Forum, a private network of the world's top tech entrepreneurs, we’ve worked with over 100+ operators—across product, growth, ops, people, data, engineering & design, from some of the world's most innovative companiesincluding Monzo, Babylon, Bulb & Depop—to pioneer a new model of lifelong learning.
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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, Mobile, Retail
  • Stage:Seed, Series A
  • Geography: United States, Poland, United Kingdom

Investor stats

  • Total investments: 21
  • Round size: Seed $525k–$8.3M
  • Lead/follow: 14% lead, 86% follow

Portfolio highlights

  • Forward — Forward is revolutionary primary care focused on your long-term health, with top-rated doctors supported by technology.
  • Airly — Air Quality Monitor provides local data about air quality in your city. This allows you to understand the risks and take actions. Meet Airly!
  • Collective — Collective offers financial solutions designed for self-employed business owners - company formation, tax, accounting & bookkeeping.
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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 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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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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Philipp Kloeckner
Angel · Berlin, Berlin, Germany · 2 investments in CleanTech startups

Philipp has been product manager and inhouse SEO at the market leading price comparison in Germany (Idealo.de) for 6 years. He specializes in the fields of accessability, crawlability and onpage optimization of websites with 1M+ subpages.Since 2011 Philipp Klöckner focuses on search consultancy and angel investing to share his experience insearch marketing, product and business intelligence with publishing houses, e-commerce companies and start-ups as an independent consultant and angel investor.

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Investment focus

  • Industry: Financial Services, FinTech, Banking
  • Stage:Seed, Angel, Pre-Seed
  • Geography: Germany

Investor stats

  • Total investments: 14
  • Round size: Seed $3.3M–$7.4M
  • Lead/follow: 0% lead, 100% follow

Portfolio highlights

  • Graswald AI — Graswald engages in the creation of natural and digital 3D worlds for the entertainment industry.
  • Trade Machines FI GmbH — TradeMachines understands how difficult it is to trust in used machinery. They work with trustful industrial auctioneers and renowned machinery traders to ensure you receive the best connection between the two. Industrial auctions are a popular possibility to find great bargains when it comes to used machinery. In these industrial auctionspotential buyers find used equipment of companies who became insolvent or who decided to get rid of a selection of their machines. But industrial auctions are not the only way how to find the right used machines for cheap prices. Machinery traders list their offers on TradeMachines as well. As a result of the extensive offer of used machines, it is much easier and less time consuming to the find right offer.
  • DEALCIRCLE — DealCircle is a digital M&A solution and partner of hundreds of M&A advisors. We support in identifying buyers and addressing the market. This provides investors access to a comprehensive deal flow of relevant projects.
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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, FinTech, Education
  • Stage:Seed, Pre-Seed
  • Geography: United States, United Kingdom, Canada

Investor stats

  • Total investments: 37
  • Round size: Seed $589k–$3.9M; Pre-Seed $175k–$1.2M
  • Lead/follow: 16% lead, 84% follow

Portfolio highlights

  • Kenshō Health — Pharmacy Mall is a trusted online drugstore designed to make high-quality medications accessible and affordable for everyone.
  • 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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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 — 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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Hampus Jakobsson
Angel · Malmö, Skane Lan, Sweden · 2 investments in CleanTech startups

Hampus Jakobsson is a General Partner at early stage climate tech venture fund Pale Blue Dot.Prior to co-founding Pale Blue Dot, Hampus was a Venture Partner at science fund Blue Yard and a prolific angel investor with >100 angel investments. He co-founded of The Astonishing Tribe (acquired by Blackberry in 2010 for $150m). He left Blackberry2012 to found Brisk.io a sales productivity tool which folded 2016.

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Investment focus

  • Industry: Health Care, Software, Information Technology
  • Stage:Seed, Angel, Series A
  • Geography: Sweden, Denmark, United States

Investor stats

  • Total investments: 44
  • Round size: Seed $310k–$5.5M; Angel $96k–$1.2M; Series A $2.3M–$30M
  • Lead/follow: 11% lead, 89% follow

Portfolio highlights

  • ClimateView — ClimateView is a Swedish climate action technology company that helps cities transform climate planning into progress. We combine data, agent-based modelling and interface design to help cities successfully manage the transition to zero carbon economies.
  • Mojo — Clinical-grade, AI-powered sperm analysis from the comfort of home. Test your sperm count, motility, morphology and much more with the Mojo kit. Check your fertility from home at low cost - without the need for clinic visits and awkward waiting rooms.
  • Volta Greentech — Discover innovative solutions to reduce agricultural emissions with Volta Greentech's science-driven feed additives, promoting sustainable farming and planetary health.
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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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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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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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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:Pre-Seed, Seed, Angel
  • Geography: Germany, Israel

Investor stats

  • Total investments: 9
  • Round size: Seed $1.5M–$4.9M; Pre-Seed $414k–$1.5M
  • 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.
  • Leegle — Moonblock is a tool to navigate Web3 with the right insights with a Web3 Brand Intelligence platform.
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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 the no-profit organization Impactscool, withthe aim to bring education on exponential technologies to Italian students and teachers. Impactscool was sold in 2025 with an exit to an Italian bank. Now his focus is manly on studying, exploring the potential of human beings, understanding true meaning of life, enjoying the passage of time. He is advisor of dozens of technological 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, FinTech, Software
  • Stage:Seed, Pre-Seed, Angel
  • Geography: Italy, United States, United Kingdom

Investor stats

  • Total investments: 17
  • Round size: Seed $150k–$6M; Angel $170k–$2.5M
  • Lead/follow: 6% lead, 94% follow

Portfolio highlights

  • CitizenX — CitizenX is the secure and private platform that helps you diversify your passport portfolio, ensuring a safe future for you and your loved ones.
  • Talyn Air — Inspired by two-stage rockets, our innovative eVTOL uses two flight vehicles to transform flight. Fixed-wing performance with VTOL capabilities.
  • CaSRevolution — A novel disease-modifying approach against neurodegeneration
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Sophia Bendz
Angel · Stockholm, Stockholms Lan, Sweden · 2 investments in CleanTech startups

Sophia Bendz - Partner @ Cherry Ventures

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Investment focus

  • Industry: Health Care, Software, Artificial Intelligence
  • Stage:Seed, Pre-Seed, Series A
  • Geography: Sweden, Denmark, United Kingdom

Investor stats

  • Total investments: 49
  • Round size: Seed $408k–$5.9M; Pre-Seed $800k–$2M; Series A $3.5M–$22M
  • Lead/follow: 20% lead, 80% follow

Portfolio highlights

  • Scape — Scape is an AI email client that proactively drafts replies and surfaces what matters. Built for professionals who live in their inbox.
  • Wikifarmer — A free online knowledge library where professional or amateur farmers can find best practices on growing their fields more effectively and an online marketplace where farmers can sell their products to buyers directly. Our vision is to create a fair, transparent and profitable environment for all the farming world. Farmers are dedicating theirlives in cultivating their fields, but get the lowest value of all the sales cycle, so we believe they need to receive a more fair share. Buyers have the right to have more options and buy at better prices, so we want to be the ones to solve this inequality in both sides.
  • Care to Translate — We provide medical translations for healthcare professionals and patients. Available in 40 languages, 24/7 on your smart device or browser.
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Richard Branson
Angel · Crawley, West Sussex, United Kingdom · 2 investments in CleanTech startups

Richard Branson is based out of Crawley, West Sussex and is the Founder of Virgin Atlantic Airways. Richard Branson attended Stowe School.

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Investment focus

  • Industry: FinTech, Software, E-Commerce
  • Stage:Series A, Series B, Series C
  • Geography: United States, United Kingdom, Germany

Investor stats

  • Total investments: 62
  • Round size: Series A $5M–$45M; Series B $14M–$161M; Series C $3M–$74M
  • Lead/follow: 8% lead, 92% follow

Portfolio highlights

  • auticon — auticon is the first German company to exclusively employ autistic people as software testers and offer their services (Software-Tests) on the free market. This innovative approach gives the client the advantage of special high-quality workmanship.
  • Airly — Air Quality Monitor provides local data about air quality in your city. This allows you to understand the risks and take actions. Meet Airly!
  • Wayve — Wayve are pioneering an AI-centric approach to self-driving, inspired by our vision of a smarter, safer and more sustainable world.
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Aleksander Stefanowicz
Angel · 2 investments in 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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Gaurav Gupta
Angel · Mumbai, Maharashtra, India · 2 investments in CleanTech startups

Gaurav Gupta is the Global Managing Partner at Dalberg Data Insights.

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Investment focus

  • Industry: SaaS, Solar, Energy
  • Stage:Angel, Series A, Series B
  • Geography: India, United States

Investor stats

  • Total investments: 4
  • Round size: Angel $158k–$241k
  • Lead/follow: 50% lead, 50% follow

Portfolio highlights

  • Impira — At Impira, we empower people to focus on their superpowers by automating away the routine. Millions of people spend hours each day rekeying data from documents, cataloging files, and searching for images. Our product allows nontechnical users to extract clean and structured data from files using artificial intelligence, making these processesinstant and automatic. In just a few minutes you can drag & drop files into the product, label a few examples, and sit back & relax while Impira takes care of the rest. We’re proud to not only meaningfully impact companies’ bottom line but also boost employee morale and creativity with our product.
  • 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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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, FinTech
  • Stage:Seed, Pre-Seed, Series A
  • Geography: United States, Australia, India

Investor stats

  • Total investments: 120
  • Round size: Seed $337k–$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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Daniel Recanati
Angel · Tel Aviv, Tel Aviv, Israel · 2 investments in CleanTech startups

Daniel Recanati is the founder & CEO of Rhodium, investing in pre-seed and seed-stage startups across deep tech, space, AI for good, digital and consumer innovation. He is also a General Partner at Earth & Beyond Ventures, a deep-tech fund dedicated to scaling science-based innovations into global markets. Beyond venture, Daniel is engagedin philanthropy and social impact initiatives, with a focus on education, technology access, and social mobility.

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Investment focus

  • Industry: Internet, Analytics, Advertising
  • Stage:Seed, Series B, Series A
  • Geography: Israel, United States, Brazil

Investor stats

  • Total investments: 34
  • Round size: Seed $700k–$6M; Series A $543k–$4.1M; Series B $4.3M–$12M
  • Lead/follow: 6% lead, 94% follow

Portfolio highlights

  • Yo Egg — At Yo Egg, we're on a mission to become the largest and most sustainable egg producer in the world, without the use of chickens.
  • QuamCore — QuamCore is driving breakthroughs across industries by advancing the field of quantum computing, pushing the boundaries of what is possible, and bringing large-scale, commercially viable quantum computing to reality.
  • Helios — Helios is developing a reactor that can process lunar soil and Martian soil to oxygen and metals. The company solution is unique as its output yields two highly crucial materials at the same time, and it doesn’t require earth brought consumables. They seek to enable the establishment of a permanent base on the Moon. Another potential use of ourreactor can be to supply oxygen from the lunar surface to earth orbit, as it requires 26 times less energy than launching it from Earth. The company was founded in 2018 and is based in Israel.
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Markus Villig
Angel · Tallinn, Harjumaa, Estonia · 2 investments in CleanTech startups

Markus Villig is founder and CEO of Taxify. He attended University of Tartu.

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Investment focus

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

Investor stats

  • Total investments: 30
  • Round size: Seed $1M–$3.5M; Pre-Seed $230k–$3.4M
  • Lead/follow: 0% lead, 100% follow

Portfolio highlights

  • BirdyChat — A modern work chat app for professionals. Start conversations with anyone using their work email. Collaborate and grow your network.
  • ScamGuardian.AI — ScamGuardian develops AI-powered victim simulations to capture actionable scam intelligence
  • Rivan Industries — Rivan Industries designs and builds modular, vertically integrated, synthetic fuel plants.
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Rayyan Islam
Angel · Los Angeles, California, United States · 2 investments in 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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T. Chen Fong
Angel · Calgary, Alberta, Canada · 2 investments in CleanTech startups

Dr. Fong is a Professor Emeritus at the Faculty of Medicine, University of Calgary. He was formerly the Head of the Department of Radiology at the University of Calgary and the Calgary Health Region. Dr. Fong is active in funding and nurturing start-up companies. Over the past two decades, he funded over 50 companies in diverse technology sectors,with an emphasis in medical devices. Dr. Fong is the co-founder and board member of Calgary Scientific Inc. and is also on the board of Clarius Mobile Health, Cohesic Inc. and Innovere Medical. In addition to seed investing, Dr. Fong is active in the Calgary community sitting on six charitable boards and foundations.In 2015, Dr. Fong joined the Creative Destruction Lab (CDL) at the University of Toronto business school as a mentor. CDL helps young entrepreneurs to shape or pivot their nascent ideas. He is widely credited with launching CDL at the Haskayne School of Business at the University of Calgary, bringing together seasoned business leaders from Alberta, Canada and the US to grow budding companies. Dr. Fong is on the Strategic Advisory Board of CDL and a Fellow of CDL in Toronto, Montreal, Calgary and Vancouver. In 2017, Dr. Fong was named to the Order of Canada for his contribution to medical technology innovation and philanthropy.

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Investment focus

  • Industry: Software, Artificial Intelligence, Biotechnology
  • Stage:Seed, Angel, Pre-Seed
  • Geography: Canada, Singapore, United States

Investor stats

  • Total investments: 12
  • Round size: Seed $254k–$10M
  • Lead/follow: 0% lead, 100% follow

Portfolio highlights

  • Oncoustics AI — Oncoustics is creating and deploying advanced AI solutions for low cost, non-invasive surveillance, diagnostics, and treatment monitoring of diseases with high unmet clinical need. Unlike other players in the space, Oncoustics does not do image recognition. Instead, Oncoustics applies AI to raw ultrasound signals from readily available handheldultrasound devices to rapidly differentiate healthy versus diseased tissues. There's a wealth of information in these raw signals and this approach reveals novel biomarkers that can be aligned with existing standards and categorization systems. Initially targeting liver disease, a $30B global diagnostic market, Oncoustics has filed a Breakthrough Device Designation Request with the FDA for the OnX that detects liver fibrosis and the 510K is underway. Several follow-on liver products are in development. Oncoustics also has clinical data on other organ indications including prostate, kidney, breast and thyroid diseases and cancers.
  • SunGreenH2 — SunGreenH2 creates the world's highest performance advanced materials for electrolysis i.e. green hydrogen production. Achieve high efficiency, low cost green H2 production on site for your application in the Power-to-X, Hydrogen refuelling, Energy Storage and Buildings sectors. Revolutionising zero emissions and improving profitability.
  • EZee Assist — EZee Assist provides instant answers to franchisee operational questions. Continue using preferred channels of support and start receiving instant answers.
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Sam Branson
Angel · London, England, United Kingdom · 2 investments in CleanTech startups

Sam Branson Co-founder at HiddenLight Productions.

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Investment focus

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

Investor stats

  • Total investments: 5
  • Round size: Series A $12M–$14M
  • Lead/follow: 0% lead, 100% follow

Portfolio highlights

  • Metagood — Metagood is the operating layer for tokenized assets across their full lifecycle: compliance, transfer rules, entitlements, corporate actions, and audit.
  • Tem-Energy — Until now, businesses have had to buy power via Big Energy putting up with overpricing, sapping levels of service and glacial innovation. Now with tem. any company can buy Renewable Energy Direct. This allows businesses to save on energy costs whilst renewable generators are rewarded.
  • ReBorn® Homewares — ReBorn purpose is to transform the sustainability of the global homewares industry. We are committed to creating the most stylish and planet-friendly homewares, and driving collective change in the UK and beyond .Our five key principles are: 1.Recycling Waste 2.Local production 3.Circular Design 4.Stylish Solutions 5.Collaborative Power
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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 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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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: Logistics, Energy, CleanTech
  • Stage:Seed, Pre-Seed, Series A
  • Geography: United Kingdom

Investor stats

  • Total investments: 6
  • Round size: Seed $2.9M–$3.5M; Series A $12M–$14M
  • Lead/follow: 0% lead, 100% follow

Portfolio highlights

  • Metagood — Metagood is the operating layer for tokenized assets across their full lifecycle: compliance, transfer rules, entitlements, corporate actions, and audit.
  • Tem-Energy — Until now, businesses have had to buy power via Big Energy putting up with overpricing, sapping levels of service and glacial innovation. Now with tem. any company can buy Renewable Energy Direct. This allows businesses to save on energy costs whilst renewable generators are rewarded.
  • ReBorn® Homewares — ReBorn purpose is to transform the sustainability of the global homewares industry. We are committed to creating the most stylish and planet-friendly homewares, and driving collective change in the UK and beyond .Our five key principles are: 1.Recycling Waste 2.Local production 3.Circular Design 4.Stylish Solutions 5.Collaborative Power
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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, Manufacturing
  • Stage:Seed, Series A
  • Geography: Germany, Switzerland

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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Job Dura
Angel · 2 investments in CleanTech startups

Job Dura

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Investment focus

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

Investor stats

  • Total investments: 2
  • Lead/follow: 50% lead, 50% follow

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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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

  • Artelize — Discover events, performers and works within classical music, opera, musical, ballet & dance and drama. 469323 events, and 112326 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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CleanTech Angel investor funding at a glance

Stats across 442 deals from 711 investors.

711
investors
in CleanTech startups
442
deals
in CleanTech startups
$2.4M
median round
in CleanTech startups
12%
lead investors
lead at least one round
36%
Seed
most common funding stage

Access all 711 angel investors in CleanTech startups.

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