# Top 50 Energy Angel Investors in May 2026

| Investor | Relevant Deals | Geography | Stage | Focus |
| --- | --- | --- | --- | --- |
| Soheila Yalpani | 8 | United States, Switzerland | Seed, Pre-Seed, Series A | Consulting, Sustainability, Information Technology |
| Johann "Hansi" Hansmann | 8 | Austria, United Kingdom, Spain | Seed, Angel, Pre-Seed | Health Care, Fitness, Software |
| Bill Gates | 7 | United States, Canada, Israel | Series C, Series A, Series B | Energy, Biotechnology, Manufacturing |
| Mark Cuban | 7 | United States, United Kingdom, Singapore | Seed, Series A | Software, Blockchain, Artificial Intelligence |
| Sagar Ratilal Bavarva | 7 | India, The Netherlands, Germany | Private Equity, Pre-Seed | Renewable Energy, Clean Energy, Solar |
| Chris Sang | 6 | United States, Australia, India | Seed, Pre-Seed, Series A | Software, E-Commerce, Mobile |
| Uday Kumar Bangalore Shivaraman | 6 | United Kingdom, India, United States | Seed, Series B, Equity Crowdfunding | FinTech, Financial Services, E-Commerce |
| Ian Marchant | 6 | United Kingdom | Seed, Series A, Angel | Energy, Information Technology, Information Services |
| Kiran Bhatraju | 6 | United States | Seed, Pre-Seed, Series A | Energy, Environmental Consulting, Robotics |
| Dylan Taylor | 6 | United States, Canada, Finland | Seed, Series A | Aerospace, Space Travel, Satellite Communication |
| Jackson Moses | 6 | United States | Pre-Seed, Seed, Series A | Aerospace, Artificial Intelligence, Government |
| Rayyan Islam | 5 | United States, France, Switzerland | Seed, Series A | Renewable Energy, Biotechnology, Energy |
| Erik Peterson | 5 | United States, Canada, Algeria | Seed, Equity Crowdfunding, Series A | Software, Biotechnology, SaaS |
| Paul Forster | 5 | United Kingdom, Germany, Spain | Seed, Series A, Pre-Seed | Software, FinTech, Financial Services |
| Ishara Yusdian | 5 | Indonesia, Singapore | Seed, Convertible Note, Debt Financing | Agriculture, Waste Management, Lifestyle |
| Tom McInerney | 5 | United States, United Kingdom | Seed, Angel, Series A | Software, Mobile, Enterprise Software |
| Edward Ismawan Chamdani | 5 | Indonesia, Singapore | Seed, Convertible Note, Debt Financing | Agriculture, Waste Management, Lifestyle |
| Jeff Dean | 5 | United States, United Kingdom | Seed, Series A, Series B | Artificial Intelligence, Biotechnology, Health Care |
| Sunmeet Jolly | 5 | United States, Israel | Seed, Series A, Equity Crowdfunding | Software, Internet, Artificial Intelligence |
| Danny Hayes | 5 | United States, Switzerland | Seed, Pre-Seed | Cyber Security, Aerospace, GreenTech |
| Rand Hindi | 5 | France, United States, Germany | Seed, Pre-Seed | Software, Cryptocurrency, Information Technology |
| David Helgason | 5 | United States, Denmark, Finland | Seed, Pre-Seed | Software, Gaming, Information Technology |
| Ralf Dummel | 4 | Germany, United States, Switzerland | Angel, Seed | Food and Beverage, Manufacturing, Product Design |
| Rohan Oza | 4 | United States | Seed, Series A, Series B | Food and Beverage, E-Commerce, Health Care |
| Nicholas Assef | 4 | Australia | Pre-Seed, Seed | Renewable Energy, Energy, Battery |
| Sierra Peterson | 4 | United States, United Kingdom | Seed, Pre-Seed, Series A | Energy, Renewable Energy, Solar |
| Akshay Singhal | 4 | India, United States | Pre-Seed, Seed | Battery, Hardware, CleanTech |
| Jon Moulton | 4 | United Kingdom, Cyprus, Luxembourg | Seed, Series A | Financial Services, FinTech, Banking |
| Slava Agafonov | 4 | United States | Pre-Seed | SaaS, Battery, Big Data |
| Gokul Rajaram | 4 | United States, India, Singapore | Seed, Series A, Series B | Software, Financial Services, FinTech |
| Yun-Fang Juan | 4 | United States | Seed, Pre-Seed, Series A | Information Technology, Internet, Software |
| Marc Benioff | 4 | United States, United Kingdom, The Netherlands | Series A, Seed, Series B | Software, Health Care, SaaS |
| Walter Robb | 4 | United States | Series B, Seed, Series A | Food and Beverage, Food Processing, Organic |
| Jon Oringer | 4 | United States, France, United Kingdom | Seed, Pre-Seed, Series A | Software, Information Technology, Health Care |
| Jordan Mendell | 4 | United States | Seed, Series B | Software, Consumer Electronics, Sports |
| Hadi Partovi | 4 | United States, Israel, Colombia | Seed, Series A, Angel | Software, E-Commerce, Enterprise Software |
| Bradley Horowitz | 4 | United States, United Kingdom, Germany | Seed, Series A, Series B | Software, Information Technology, Health Care |
| Biz Stone | 4 | United States, United Kingdom, India | Seed, Series A, Pre-Seed | Software, Messaging, Mobile |
| Gary Hirshberg | 4 | United States | Seed, Series A | Food and Beverage, Food Processing, Organic Food |
| Vishal Rao | 4 | United States, India, Canada | Seed, Pre-Seed | Software, Artificial Intelligence, Information Technology |
| Ramez Naam | 4 | United States, Singapore | Series B, Seed, Series A | Renewable Energy, Energy, Automotive |
| John Legend | 4 | United States | Seed, Series B, Series A | E-Commerce, Shopping, Digital Media |
| Kris Gopalakrishnan | 4 | India, United States, Singapore | Seed, Series A | E-Commerce, Artificial Intelligence, Software |
| Andy Booke | 3 | Germany | Seed, Angel | Renewable Energy, Battery, Semiconductor |
| Erhan Bilici | 3 | United States, China, India | Seed, Equity Crowdfunding, Pre-Seed | Financial Services, FinTech, E-Commerce |
| Alberto Giusti | 3 | Italy | Seed, Angel | Energy Efficiency, Internet of Things, Industrial Automation |
| Gaurav Juneja | 3 | India, United States | Seed, Angel | Electric Vehicle, Sustainability, News |
| Matias Muchnick | 3 | Mexico, United States | Seed, Pre-Seed, Series B | Sustainability, IT, Energy |
| Wei Guo | 3 | United States, China, Canada | Seed, Series A, Angel | Software, Artificial Intelligence, Health Care |
| Alex Edelstein | 3 | United States | Series A, Series B, Convertible Note | Crowdsourcing, Solar, Analytics |

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