Geoff Ralston founded the Safe Artificial Intelligence Fund to back companies working on AI safety and security. He previously served as president of Y Combinator and chief product officer at Yahoo.

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Geoff Ralston founded the Safe Artificial Intelligence Fund to back companies working on AI safety and security. He previously served as president of Y Combinator and chief product officer at Yahoo.

Career

Founder at Safe Artificial Intelligence Fund (SAIF) from 2025 to Present
President at Y Combinator from 2019 to 2022
Chief Product Officer at Yahoo until 2006
geoffralston.substack.com

The Age of Anxiety: What We Can Do About AI’s Gravest Risks

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