# Top 50 Renewable Energy Angel Investors in United States in May 2026

| Investor | Relevant Deals | Geography | Stage | Focus |
| --- | --- | --- | --- | --- |
| Jackson Moses | 4 | United States | Pre-Seed, Seed, Series A | Aerospace, Artificial Intelligence, Government |
| Bill Gates | 3 | United States, Canada, Israel | Series C, Series A, Series B | Energy, Biotechnology, Manufacturing |
| Patrick Soon-Shiong | 3 | United States, United Kingdom | Series A, Series B, Series C | Health Care, Internet, Manufacturing |
| Sunmeet Jolly | 3 | United States, Israel | Seed, Series A, Equity Crowdfunding | Software, Internet, Artificial Intelligence |
| David E. Weekly | 3 | United States, Israel | Seed, Angel, Pre-Seed | Robotics, Drones, Aerospace |
| Sierra Peterson | 2 | United States, United Kingdom | Seed, Pre-Seed, Series A | Energy, Renewable Energy, Solar |
| Dhruv Chitgopekar | 2 | India, United States | Seed, Angel, Pre-Seed | Gaming, Content, eSports |
| Surya Panditi | 2 | United States | Seed, Pre-Seed | Hardware, Renewable Energy, Internet of Things |
| Josh Felser | 2 | United States, Hong Kong, Philippines | Seed, Series A | E-Commerce, Consumer, Financial Services |
| Maulik Majmudar | 2 | United States | Seed, Pre-Seed | Medical, mHealth, Hardware |
| Luigi Bajetti | 2 | United States, Italy, Luxembourg | Seed, Pre-Seed, Series A | Information Technology, Software, Apps |
| Ramez Naam | 2 | United States, Singapore | Series B, Seed, Series A | Renewable Energy, Energy, Automotive |
| Dr Ritesh Malik | 2 | India, United States, Kenya | Seed, Pre-Seed | Software, SaaS, Education |
| Kittu Kolluri | 2 | United States, India | Series A, Seed, Series B | Financial Services, Information Technology, Analytics |
| Nat Friedman | 2 | United States, United Kingdom, Spain | Seed, Series A, Series B | Software, Artificial Intelligence, Information Technology |
| Marc Tarpenning | 2 | United States | Series A, Seed, Series D | Renewable Energy, CleanTech, Drones |
| Luke Kupersmith | 2 | United States | Angel | CleanTech, Clean Energy, Renewable Energy |
| Eugene Goldberg | 2 | United States | Angel | CleanTech, Clean Energy, Renewable Energy |
| Supriya Paul | 2 | India, United States | Seed, Pre-Seed | Apps, SaaS, Dating |
| Edward Kim | 2 | United States | Angel | CleanTech, Clean Energy, Renewable Energy |
| Tom McInerney | 2 | United States, United Kingdom | Seed, Angel, Series A | Software, Mobile, Enterprise Software |
| Rayyan Islam | 2 | United States, France, Switzerland | Seed, Series A | Renewable Energy, Biotechnology, Energy |
| Ashley Mayer | 2 | United States, Germany | Seed, Series A, Pre-Seed | Wellness, Health Care, Natural Resources |
| Mark Cuban | 2 | United States, Vietnam, Singapore | Seed, Series A, Angel | Blockchain, Software, E-Commerce |
| Jamie Lee | 1 | United States | Series A, Series B | Renewable Energy, Energy, Mining |
| Ankit Kedia | 1 | India, United States | Seed, Pre-Seed | Supply Chain Management, Logistics, Renewable Energy |
| Ali Partovi | 1 | United States, Spain, Israel | Seed, Series A, Angel | Software, Artificial Intelligence, E-Commerce |
| Craig Winkler | 1 | Australia, New Zealand, United States | Series A, Seed | SaaS, Software, Apps |
| Jim Bochnowski | 1 | United States | Series A | Solar, Energy, Clean Energy |
| Stephen Mandel | 1 | United States | Seed | Solar, Energy, Renewable Energy |
| Mark Ferron | 1 | United States | Series A | Energy, Analytics, Renewable Energy |
| Kerim Baran | 1 | Israel, United States | Seed | Email, Solar, Energy |
| Prescott Ashe | 1 | United States | Series A | Venture Capital, Renewable Energy, Business Development |
| Richard Tsai | 1 | United States | Series A | Battery, Manufacturing, Renewable Energy |
| Ben Silbermann | 1 | United States, Sweden | Seed, Series A | Health Care, Wellness, Video |
| Veronica Chou | 1 | United States | Series A | Venture Capital, Renewable Energy, Business Development |
| Dinesh Patel | 1 | United States | Seed, Series A, Series B | Energy, Finance, Hospital |
| Nipun Sahni | 1 | United States | Pre-Seed | Hardware, Renewable Energy, Internet of Things |
| Bootstrapped Debt Financing | 1 | United States, Canada, United Kingdom | Pre-Seed, Seed | Software, Information Technology, E-Commerce |
| Rob Stevens | 1 | Canada, United States | Seed, Angel, Pre-Seed | CAD, Solar, Water |
| Akshat Rajan | 1 | United States | Pre-Seed | Hardware, Renewable Energy, Internet of Things |
| Arnold Schwarzenegger | 1 | United States | Series A, Pre-Seed, Series B | Information Technology, Collaboration, Digital Entertainment |
| Gregory Avis | 1 | United States, Switzerland | Series A, Seed, Series B | CRM, SaaS, Solar |
| Paula Mariwala | 1 | India, United States | Seed, Pre-Seed, Angel | Internet of Things, EdTech, E-Learning |
| Roshan Abbas | 1 | India, Singapore, United States | Seed, Angel, Pre-Seed | Food and Beverage, Internet, Gaming |
| John Collison | 1 | United States, United Kingdom, France | Seed, Series A, Series C | Software, Apps, Enterprise Software |
| Tom Werner | 1 | United States | Series A | Energy, Analytics, Renewable Energy |
| Ariel Poler | 1 | United States, Mexico, United Kingdom | Seed, Series A, Angel | Software, Social Media, Internet |
| Tyson Trautmann | 1 | United States | Convertible Note | Solar, Clean Energy, Renewable Energy |
| Sam Altman | 1 | United States, Ghana, Canada | Seed, Series A, Series B | Software, Internet, E-Commerce |

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