Founder, CIO and managing partner of Situational Awareness LP; former OpenAI Superalignment researcher fired in April 2024, who ran the fund at up to 400% leverage on AI infrastructure longs paired with software shorts.
Bought the bulk of Situational Awareness's public equity portfolio at a deep discount, becoming one of the largest holders of AI stocks despite Griffin's prior public skepticism of generative AI.
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Goldman Sachs, JPMorgan Chase, Bank of America, Citigroup
Prime brokers that issued margin calls against Situational Awareness's leveraged positions and helped structure the sale to Citadel.
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Early investors (Patrick and John Collison, Nat Friedman, Daniel Gross, Jane Street)
Backed Situational Awareness LP from its 2024 launch; Jane Street's participation was notable because the firm rarely backs external managers.
Retained private position (roughly $5 billion, about half of the fund's remaining assets); itself valued at $965 billion in a May 2026 Series H round, with an IPO expected as early as October 2026.
Target of Situational Awareness's short thesis that agentic AI tools would erode SaaS pricing power; the short moved against the fund and became a second, independent source of losses rather than a hedge.