
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
Mission: Develop commercial quasi‑isodynamic stellarator fusion power plants
Founded: Early 2023
Recent raise: €130M Series A (2025)
Total funding: €185M–€200M (mid‑2025)
Employee count: 148
Commercial fusion energy generation using stellarator reactor technology.
2023
Electric Power Generation
€130M
Round announced June 2025; broad participation from European VCs and funds
“Co‑led by Cherry Ventures and Balderton Capital with participation from multiple European VCs and public funds”
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Who We Are At Proxima Fusion, we're driven by a bold mission – to redefine the future of sustainable energy. Our unique concept, built upon the groundbreaking W7-X stellarator and the latest advances in technology, paves the way for commercially viable fusion power plants.
What’s more, our work in stellarator optimization, powered by cutting-edge computation and machine learning, is propelling us into uncharted territories of fusion technology. New higher performance design points are unlocked by high temperature superconducting magnets.
To fully grasp this huge opportunity, we’re building a team of extremely dedicated and passionate people who come together driving something extraordinary, radically transforming technology in the world.
WHY JOIN PROXIMA FUSION
YOUR IMPACT At Proxima Fusion, you will join a diverse and interdisciplinary team working at the frontier of fusion technology. As an ML Researcher, you will work collaboratively with fusion scientists, engineers, and ML experts to integrate advanced ML techniques into stellarator design and engineering, transforming prototypes into production-ready solutions. Your contributions will establish best practices for ML, and foster collaboration with academic and industrial partners. Join us to apply your knowledge and experience to solving real-world problems, helping to build stellarators that will power the future of clean energy
What You Will Do
Who You Are
INTERVIEW PROCESS
At Proxima Fusion, our mission is bold: making limitless clean energy a reality. To get there, we need a high-performing, diverse team that brings different perspectives, challenges assumptions, and builds together with purpose. We know that diversity of thought and experience leads to better ideas, stronger execution, and a more resilient team. We don’t look at how you identify, what you look like, who you choose to worship or what ethnicity you are. We care about what you can bring to the table.
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