Proxima Fusion
Founders
Francesco Sciortino - Co-Founder & CEO
Lucio Milanese - Co-Founder & COO
Jorrit Lion - Co-Founder & Chief Scientist
Martin Kubie - Co-Founder & Chief Engineer
Founded
2023
Stage
Series A
Invested
2025
Status
Private
Lightspeed Team
Paul Murphy - Partner

We are Europe’s fastest-growing fusion startup, building the first generation of fusion power plants using quasi-isodynamic (QI) stellarators—the clearest, most robust path to putting fusion on the grid.

Proxima Fusion
Fraction Fraction

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