About
Jordan Bramble is the co-founder and CEO of Antares, the Redondo Beach microreactor company he started with Julia DeWahl in early 2023 on the thesis that the next wave of nuclear opportunity comes from going small and mass-manufacturable rather than gigawatt-scale. His background spans multidisciplinary engineering, federal policy at the White House Office of Management and Budget, and product/engineering management roles at Atrium, where he worked before founding Antares. He holds degrees in Systems Engineering, Physics, and Statistics from George Mason University and Georgetown University. Since launching Antares, Bramble has led the company through more than $130M of fundraising — including a $96M Series B led by Shine Capital in December 2025 — and secured DOE Reactor Pilot Program selection plus contracts with the Air Force, Space Force, Defense Innovation Unit, and NASA. He frames Antares' mission as 'abundant energy from Earth to the asteroid belt,' and his core founding insight is that defensible nuclear scale comes from building a reactor factory, not a single hero plant.
Previous roles
- Engineering Manager and Product Manager, Atrium
- White House Office of Management and Budget
Notable work
- Antares
- Nuclear microreactors
- Systems engineering
- Advanced manufacturing
- Federal policy and procurement
- Hard-tech entrepreneurship
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