Hydrazine Capital
Venture CapitalVenture fund co-founded by Sam Altman with Peter Thiel as sole limited partner, investing in early-stage deep tech startups.
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2 companiesZenefits was a cloud-based human resources platform that offered free HR software to small and mid-sized businesses, handling payroll, benefits administration, and compliance. The company rose rapidly through Y Combinator to a $4.5 billion valuation but collapsed after regulatory scandals revealed unlicensed insurance brokerage. Acquired by TriNet in 2022.
Oklo is an advanced nuclear technology company designing and deploying next-generation fast fission power plants. The company's Aurora powerhouse uses metal-fueled fast reactor technology to generate clean energy, while also pioneering nuclear fuel recycling.
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