
Building stellarator fusion power plants—the clearest, most robust path to commercial fusion energy.

Building stellarator fusion power plants—the clearest, most robust path to commercial fusion energy.
Headquarters: Munich, Germany (offices at PSI, Switzerland and Culham, UK)
Founded / Spin-out: 2023 (spin-out from Max Planck Institute for Plasma Physics)
Tech focus: Quasi‑isodynamic (QI) stellarators with high‑temperature superconducting magnets
Employee count: Approximately 137
Funding (reported): Total > €185M after a €130M Series A (June 2025) plus earlier seed/pre-seed
| Company |
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Commercial fusion energy / electric power generation
2023
Electric Power Generation
€7.5M (pre‑seed / extension reported)
Pre‑seed and extension reported in 2023
≈€20M
Seed round reported April 9, 2024
€130M
Series A announced June 11, 2025
“Participation from European VCs, family offices and strategic investors including Cherry Ventures, Balderton Capital, UVC Partners, Plural, redalpine and others”
Company Name: Proxima Fusion
Location: Munich
Department: Stellarator Design
Employment Type: Full-time
Mission: To redefine the future of sustainable energy through groundbreaking technology and innovative fusion power plants.
Job Title: Multiphysics Simulation Engineer
Location: Munich
Employment Type: Full-time