Xcout IntelDeep Fission, Inc.
Deep Fission Nuclear, Inc. engages in the provision of nuclear energy through underground nuclear reactor. It uses clustered boreholes as a containment system. The company was founded by Richard Muller and Elizabeth Muller in 2023 and is headquartered in Berkeley, CA.
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Deep Fission, Inc. at a glance
Deep Fission, Inc. is an ai/ml company headquartered in Berkeley, United States. It is publicly listed (FISN) with a market capitalisation of $322.2M. Xcout tracks 34 named people at Deep Fission, Inc., including Elizabeth A. Muller (President and CEO).
Deep Fission, Inc. leadership
- Elizabeth A. MullerPresident and CEO
- Michael Allen BraselChief Operating Officer
- Michael BraselChief Operating Officer
- Mark SchmitzChief Financial Officer
- William A. SchmitzChief Financial Officer
- William Mark SchmitzChief Financial Officer
28 more named people on record for Deep Fission, Inc., with roles, board committees and tenure — see the full roster →
Deep Fission, Inc. funding rounds before its IPO
Every round on record:
| Date | Round | Amount | Investors |
|---|---|---|---|
| — | $80M | 1 named |
Financing after the IPO — public offerings and SEC Form D private placements — is not listed as a funding round.
Who invested in each round, lead investors, valuations and the co-investor graph — open the full funding history →
Recent Deep Fission, Inc. news
Investors
Deep Fission, Inc. competitors
A few of Deep Fission, Inc.'s closest competitors — see the full list of competitors and alternatives →
General Matter, Inc. is an American nuclear-fuel startup founded in 2024, headquartered in San Francisco, United States. The company aims to develop domestic uranium enrichment capabilities for low-enriched uranium and innovative nuclear energy solutions.
DeepSim, Inc. is a software development startup based in California that builds an AI physics simulator specifically designed for AI chip design.
Terranox AI is the first AI-powered uranium discovery company, founded in 2025. It specializes in uranium discovery through AI-powered exploration.
DeepMark is a cyber security software startup providing invisible IDs for digital trust and generative AI compliance, with roots in a university lab in Montenegro and headquarters in San Francisco, California.
xDOF is a Berkeley, California-based developer of data engineering pipelines and annotation systems. The company raised $70 million in seed funding in June 2026.
Nuclearn is a software development company headquartered in Phoenix, Arizona, that delivers artificial intelligence solutions built by nuclear professionals. Its technology automates complex tasks specifically for the nuclear industry.
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More on Deep Fission, Inc. in Xcout Intel
- 34 named people with titles, LinkedIn and board committees
- 1 funding round before the IPO with the investors in each, and who they co-invest with
- 4 corporate events with sources — deals, leadership changes, layoffs
- The full competitor set, tracking, exports and API access