Current Firm
Helium-3 Ventures
Investments
1+ companies
Focus
Climate, Deeptech
About John Dauer
Matthew Bellamy is a Co-founding Partner at Helium-3 Ventures who operates across both the US and Europe, combining institutional fund investing with an active angel track record of 40+ personal investments including early backing of globally recognized companies like Spotify, Skydio, Boom Supersonic, and Astranis. He focuses on frontier and infrastructure-heavy categories spanning climate, energy, and hard tech at the pre-seed and seed stages, regularly co-investing alongside top-tier firms like Andreessen Horowitz and Founders Fund on technically ambitious companies that blend physical-world applications with deep technology.
Focus Areas
ClimateDeeptechAISpace
Investment Stage
Pre-Seed
Seed
Series A
Series B+
Notable Investments
Boom Supersonic