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Holden Karnofsky

Holden Karnofsky portrait

Member of Technical Staff at Anthropic

🇺🇸 American

Karnofsky co-founded GiveWell and Open Philanthropy, helping make evidence and cost-effectiveness central to large-scale charitable giving. He later shifted toward advanced-AI risk and contributed to Anthropic's policies for increasing safeguards as models become more capable.

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Background

Current role
Member of Technical Staff Jan 2025-present
Previously
2007-2017Co-founder, Co-Executive Director,
About this data

Work and education history is primarily focused on AI-relevant roles and may not be comprehensive.

Last editorial review: August 7, 2026