Top 50 Energy Angel Investors in May 2025

Dr. Johann ‘Hansi’ Hansmann was born in Austria and studied economics in Vienna. He spent the major part of his professional life working as an executive in the pharmaceutical industry in Austria, Germany, UK and Spain. He gathered several years of entrepreneurial experience running successfully his own pharmaceutical company in Spain afterconducting a management buy-out of a big pharmaceutical plant, making an exit in 2003. Since this time he is active as investor and business angel. He currently holds investments with a geographical focus on Austria, Germany, UK and Spain both internet and in the health industry. He led Runtastic, shpock, mysugr and just recently durchblicker and Busuu to extraordinary exits. He was president of the ‘Austrian Angels Investors Association’ until 2021, was awarded 'Best European Early Stage Investor' in 2016 by eban.org and is now based in Vienna and tries to find spare time to ride his mountain bike.

oheila is an entrepreneur with C-team leadership experience on project management and pre-master planning of large-scale smart, resilient green infrastructure projects.

Bhavik Bajaj

Ian was Chief Executive of SSE, one of the UK’s leading utility companies and Scotland’s largest industrial company for over ten years. He stepped down from that position in the summer of 2013. Ian is now Chairman of Infinis Energy plc, a renewable energy company; Independent Chairman of the oil services company, the John Wood group and NovaInnovation; as well as holding various advisory and non-executive positions in other organisations. Ian is a renowned and innovative leader in the energy industry, and was welcomed to Synaptec’s advisory board in July 2016.

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

Sagar Ratilal Bavarva is the Director and Researcher of Aasan Group of Companies. He previously worked at the World Economic Forum as a Digital Associate - Remote. Sagar Ratilal Bavarva attended Harvard Business School.

Ahu Serter is the Founder and President of Fark Labs. She previously worked at FARHYM Vehicle Interiors as a Head of Management Committee, Board Member. Ahu Serter attended Pace University.

Kiran Bhatraju is the Founder and CEO of Arcadia. Kiran has a BA from the University of Pennsylvania.

A successful serial entrepreneur and early defense tech investor, Jackson Moses currently serves as the Founder and Managing Partner of Silent Ventures, an early stage venture firm that invests in exceptional founders building unrivaled aerospace, defense, and national security startups. He also founded and manages Silent Capital, a privatesyndicate that provides its members exclusive access to leading multi-stage defense and deep tech deals. Additionally, Jackson serves as a Senior Advisor to the founding teams of Castelion and Privateer Space.Prior to founding Silent Ventures, Jackson founded and served as VP of Partnerships at MainStreet: the first tech company to make R&D tax credits accessible to startups and SMBs via industry-leading workflows and integrations. As a founding executive, he was responsible for developing go-to-market strategies, building a world-class sales organization, managing business development initiatives, and scaling annual revenue to over $30M. To date, MainStreet has employed hundreds of people and helped 2,000+ startups claim over $150M in tax savings, collectively extending their runway by centuries.Prior to founding MainStreet, Jackson founded and served as Chairman & CEO of Spectrum Labs (enterprise AIaaS), which was acquired by ActiveFence after last being valued at $137M. Spectrum Labs pioneered multimodal LLMs, specifically a series of proprietary GPT foundation models, designed to make digital communities more profitable for Fortune 500 owners, marketers, influencers, and their users. Its customer base spanned gaming, dating, and social media, and included Tencent (TCEHY), Pinterest (NYSE: PINS), Grindr (NYSE: GRND), Yik Yak, Wildlife Studios, and The Meet Group, among others.Prior to founding Spectrum Labs, Jackson worked in sales (Lynda.com), customer operations, and executive recruiting at LinkedIn (acquired by Microsoft). Prior to this, he worked as a Market Research Analyst at Cisco where he evaluated industry trends, new investment opportunities, and emerging threats to Cisco’s core business lines.Having raised $120M+ across his two companies, Jackson actively advises startups, venture firms, and family offices on private sector aerospace and defense tech trends, investment opportunities, and capital allocation strategies. He serves as a Venture Partner to several large firms and has sourced deals for 8VC, Founders Fund, a16z, Lightspeed, Airbus Ventures, Quiet Capital, Susa Ventures, family offices, defense primes, and university endowments.Jackson holds two B.A. degrees from the University of California, Berkeley where he studied Economics, with a concentration in monetary policy, and Political Science, with a concentration in game theory.

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

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

As the CEO of Climate Transition Swiss AG, I lead a Swiss company that develops and finances green, resilient infrastructure projects across North America, Europe, and Japan. With over 20 years of international business experience, I have a strong track record of delivering sustainable energy solutions that create positive environmental and socialimpact.In addition to my role as CEO, I am also a Lobbyist for Climate Policy at the U.S. House of Representatives, where I focus on influencing environmental initiatives in Japan and Europe. I am passionate about advocating for climate action and fostering global collaboration on this urgent issue. I am also a member of the Forbes Business Council and a regular contributor to their climate section, where I share my insights and expertise on green business and policy.

Venture Capitalist, Managing Partner, Chief Technology Officer

Alfred Luger

Dylan Taylor is a global business leader, commercial astronaut, thought leader and philanthropist. Currently, Dylan serves as Chairman & CEO of Voyager Space, a multi-national space exploration firm focused on building the next generation of space infrastructure for NASA and other global space agencies.Dylan has been recognized by HarvardUniversity, SpaceNews, the BBC, the Financial Times, Pitchbook, CNBC, CNN and others as having played a seminal role in the growth of the private space industry. As an early-stage investor in more than 50 emerging space ventures, including Axiom, Kepler, York, Astrobotic, LeoLabs, Relativity, and Planet, Dylan is widely considered the most active private space investor in the world.Dylan’s technical background, global business experience and unbridled passion for space make him a unique figure within his industry. As a thought leader and futurist, he has written many popular pieces on the future of the space industry for Forbes, FastCompany, Newsweek, SpaceNews, The Space Review, and Space.com. As a speaker, Dylan has keynoted many of the major space conferences around the world and has appeared regularly on Bloomberg, Fox Business, and CNBC.Dylan has extensive global business experience as both a board director and CEO in several industries, including advanced electronics, finance and real estate. He previously served as a Director for UMB Bank, a Fortune 500 company based in Kansas City and as a mutual fund director for the Jackson Funds where he oversaw assets of $8B across 130 distinct funds. He has also served in the roles of CEO, President and Board Director for multinational companies like Prudential PLC, Honeywell, Colliers and Jones Lang LaSalle. Dylan was recognized as a Fortune 1000 CEO with P&L responsibility in excess of $3B and operations encompassing 15,000 employees in over 60 countries. In addition, Dylan has participated in 4 IPOs over the course of his career. Dylan is a leading advocate of space manufacturing and the utilization of in-space resources to further space exploration and settlement. In 2017, he became the first private citizen to manufacture an item in space when the gravity meter he co-designed and commissioned was 3D printed on the International Space Station. The historic item is now housed in the Museum of Science and Industry in Chicago.Dylan is an explorer of note. On December 11th, 2021 Dylan became just the 606th human to go to space as part of the crew of Blue Origin’s NewShepard Mission 19. Accordingly, Dylan earned his commercial astronaut wings with the FAA and his universal astronaut wings from the Association of Space Explorers.He is also one of only a handful of humans to have descended to the deepest part of the world’s oceans, Challenger Deep in the Mariana Trench as part of the Limiting Factor Expedition in July of 2022. In that mission, Dylan descended with pilot Victor Vescovo to a depth in excess of 10,800 meters (35,500 feet) into an area of the Mariana Trench that had never been visited by humans. Dylan is the youngest human to have been to the deepest part of the world’s oceans and crossed the Karman line into Space. Dylan has been a member of the Explorers Club since 2014.Dylan maintains an extensive philanthropic impact on the space industry. In 2017, Dylan founded the nonprofit and social movement, Space for Humanity, which seeks to democratize space exploration and develop solutions to global issues through the scope of human awareness to help solve the world’s most intractable problems. Space for Humanity has successfully sent two citizen astronauts to space via Blue Origin including both the first Mexican-born woman (Katya Echazareta), and first African-born woman (Sara Sabry). Building upon his passion and support for the space industry, Dylan serves as a strategic advisor for both the Archmission and the Human Spaceflight Program and is a co-founding patron of the Commercial Spaceflight Federation, which promotes the growth of commercial space activity. Additionally, he is also a leading benefactor to the Brooke Owens Fellowship, Patti Grace Smith Fellowship and Mission: Astro Access.Dylan is the founder and Chairman of Multiverse Media, an integrated global media company focused on science and technology, with an emphasis on space. Multiverse is the parent company of the popular space philosophy website 2211.world as well as the Ad Astra Dinners, a Jeffersonian-style dinner series featuring some of the world’s leading influencers discussing the future of humanity in space. Another subsidiary of Multiverse Media, Multiverse Publishing, publishes books by leading authors including Frank White, Isaac Asimov and Gerard K. O’Neill. Multiverse is also the executive producer of the documentary film, The High Frontier and the forthcoming film, Fortitude. For his influence as a global leader and his commitment to creating a positive impact on the world, Dylan has been honored with numerous personal and professional accolades in recent years. The World Economic Forum recognized Dylan as a Young Global Leader in 2011 and a full member of the World Economic Forum in 2014. That same year he was named a Henry Crown Fellow of the Aspen Institute. In 2020, Dylan was recognized by the Commercial Spaceflight Federation with their top honor for business and finance, following in the footsteps of 2019’s inaugural winner, the late Paul Allen and subsequent winners Jeff Bezos and Elon Musk.Dylan Taylor earned an MBA in Finance and Strategy from the Booth School of Business at University of Chicago and holds a BS in Engineering from the honors college at the University of Arizona, where he graduated Tau Beta Pi and in 2018 was named Alumnus of the year. He is also a graduate of the Global Leadership and Public Policy for the 21st Century program at Harvard University.Dylan and his family reside in Denver, Colorado where he is active locally with Colorado Concern and the Colorado Spaceport. In his spare time, Dylan enjoys hiking, competing in triathlons and spending time outdoors. As a weekend warrior athlete, Dylan has more than 25 top ten finishes and 25 age group wins to his credit, and he regularly interviews world class athletes whom have shown extraordinary resilience as the host of the Legendary Podcast. He is married to legal expert, consultant and author Gabrielle V. Taylor with whom he has two teenage daughters.

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

Jeff Dean is the Chief Scientist of Google DeepMind and Google Research. He joined Google in 1999 and has played a pivotal role in shaping the company’s technical foundations. He currently focuses on advancing AI and deep learning research across Google’s research teams.He co-founded and led the Google Brain team, helping drive innovations indeep learning for speech recognition, computer vision, natural language understanding, and a wide range of predictive applications. Over the years, he has co-designed and implemented several generations of Google's core systems, including its web search infrastructure, crawling and indexing pipelines, and advertising technologies such as AdSense for Content.He is also a key contributor to Google's distributed computing infrastructure, having co-designed and implemented systems like MapReduce, BigTable, Spanner, Protocol Buffers, LevelDB, and TensorFlow—one of the most widely used open-source machine learning platforms.Jeff Dean earned his Ph.D. in Computer Science from the University of Washington in 1996. He is a Fellow of the ACM, a member of the U.S. National Academy of Engineering and the American Academy of Arts and Sciences, and a recipient of the ACM-Infosys Foundation Award in the Computing Sciences and the Mark Weiser Award.

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

Jordan Mendell is the chief product officer and head of mobile products at Mendell studied organic chemistry at the University of Colorado atDenver.

Tom McInerney is a notable angel investor. He was a seed investor in Segment, Notion, GetAround, Tala, MemSQL, Mode Analytics, OpenTrons, Arcadia Power, and more.

Paul Forster

Managing and Founding Partner of Ideosource Venture Capital, an Indonesia focused venture capital firm dedicated on early-stage to later-stage investments.

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.

Bradley Horowitz is an Advisor and Vice President of Product Management at Google. Most recently he helped create Area 120, Google's incubator for internally-sourced innovation. He's led a large number of products, programs and initiatives at Google - including Google for Startups, Google Photos, Gmail, Google Voice, blogger, and GoogleNews.Before joining Google in February 2008, Horowitz was Yahoo's vice president of Advanced Development where he drove the acquisitions of Flickr and MyBlogLog, launched the Brickhouse incubator and developed new products like Yahoo! Pipes. Additionally, he was responsible for the company's initiative to open up its platform which included overseeing the Yahoo Developer Network (YDN).Previously, he was co-founder and CTO of Virage, where he oversaw the technical direction of the company from its founding through its IPO and eventual acquisition by Autonomy.Horowitz was a PhD candidate at the MIT Media Lab. While at the Media Lab, he worked on a number of topics related to computer vision, graphics and image processing, which resulted in a patented new technique for the recovery of structure, motion and camera parameters from video sequences.Horowitz holds an MS in Media Science from MIT and a BS in Computer Science from the University of Michigan.

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.

Dr Rand Hindi is an entrepreneur and investor in 50+ deeptech and web3 companies. He is the CEO at Zama, a homomorphic encryption startup. Rand started coding at the age of 10, created a social network at 14, and started his PhD at 21. He then created Snips, the first private-by-design voice assistant, which was acquired by Sonos. He was electedan MIT TR35, a Forbes “30 under 30”, and was a lecturer at Sciences Po in Paris as well as a member of the French Digital Council.He holds a BSc in Computer Science and a PhD in Bioinformatics from University College London (UCL).

Erik Peterson is the Founder at DormTrader.

Managing Partner @ Jolly VC, LLCFounder and Patent holder - GROTU mobile app @ 101 Islands LLC. Angel investor in 44 pre-IPO technology startups. Frequently invited by accelerators and angel forums to Judge startup competitions and discuss technology innovation. Former IT Consulting industry executive who sold hundreds of millions of dollars inconsulting services to Fortune 500 companies working for Cap Gemini, HCL, L&T, NTT data.

Investor | Storyologist | Builder

Jeremy is a full time angel from Singapore who invests across USA/Canada, Europe, and Israel.

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

Felix is an active entrepreneur and business angel. A WHU graduate, Felix was one of the first MDs of Rocket Internet, responsible for many of the initial companies incubated in 2007-2009. He went on to start Home24 in 2009 and run it as Co-CEO until 2014. In 2015 he started german hybrid real estate agent McMakler as founding investor and has beenrunning the company as executive Chairman and CEO since then. His current and past private business angel investments include Zalando, Auto1 Group, HomeToGo, among others.

Nico Rosberg is a sustainability entrepreneur, investor and 2016 Formula One World Champion.

Rohan Oza is the co-founder and managing partner of CAVU Venture Partners.

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.

Bryan Meehan is the Co-Founder of NUDE Skincare.

Ralf Dummel, born on 02.12.1966 in Bad Segeberg in Germany, started his career on 01.04.1988 at DS Produkte as a sales assistant to the then founder. Over the years he learned the business from the ground and took full responsibility for purchases and sales after only a year. He vastly participated in the establishment of the company and has been apartner since 1996. Today, the group has an annual turnover of ca. € 250 000 000, 400 employees, and more than 4 000 products in its portfolio. He often travels the world to visit suppliers and customers, and to find inspiration in new innovative products. Dümmel knows Asia inside out, but Northern Germany is the place he calls home. Since 2016 he takes part in the TV program “Die Höhle der Löwen” (literally: The Lions’ Cave, German version of Dragons’ Den on German TV channel VOX ) where he plays one of the “lions”, looking for young entrepreneurs with brilliant products.Ralf Dummel is very convincing with his genuine and appreciative style. From day one, Ralf Dümmel brightened up the surroundings, thanks to his enthusiasm for business and for new products. He has a unique sense for trends and products; he can market them with more success than hardly anyone else. He proudly claims that there hardly is any household without a “DS product” in Germany. Dümmel is often on the road for professional reasons, and when he sees that a customer adds a DS product in their shopping cart, he feels the same tingle of joy after 28 years that he felt in the early days. The 400 employees are Dümmels’s most important asset. They actively take part in the company, invest themselves in it, and help it develop further. Dummel is very proud that the DS products are the result of such a varied cast of people and skill sets. These are people with different personalities and talents that complement each other in a cooperation shaping always innovative business and product ideas.

Sam Altman is the CEO and co-founder of OpenAI. He is a Partner of Apollo Projects. Altman was the president of Y Combinator from 2016 through 2019. Sam Altman attended Stanford University.

Edward Lando is the founder of Pareto Holdings. He previously worked at Horizons School of Technology as a co-founder. Edward Lando attended the Wharton School.

David Balensiefen - CEO and Founder @ gridX

Investment banker, founder, angel capitalist. FOcussed on industrial technology applications including renewable energy and recycling technology.

Yun-Fang Juan

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

Ramez Naam is Chief Futurist and Partner at Prime Movers Lab.

Jon Oringer is the founder and chairman of Shutterstock.

Marc Benioff is Chair and Chief Executive Officer of Salesforce. Marc Benioff attended the University of Southern California.

Sierra is a Founding Partner at Voyager Ventures.

Gokul Rajaram is the Product and Business Helper at Doordash and currently in Pinterest and Coinbase as board member. Gokul is a Partner at Firebolt Ventures.

Early-Stage Tech Investor; Sustainability; Ex-Mortgage Backed Securities Trader, Columbia MBA, 50 countries.

Daniel Curran is the Founder and CEO at CustEx.com.