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Portrait of Holden Karnofsky
Photo: Noah Berger/Open Philanthropy, CC BY-SA 4.0. Credit

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Holden Karnofsky

Anthropic; co-founder of GiveWell and Open Philanthropy, Anthropic

  • Anthropic; co-founder of GiveWell and Open Philanthropy, Anthropic12

Holden Karnofsky is Anthropic; co-founder of GiveWell and Open Philanthropy. Public identity records include Wikidata item Q22095663.12

At a glance

Current role
Anthropic; co-founder of GiveWell and Open Philanthropy
Company
Anthropic
Sources cited
2
Profile reviewed

Accomplishments

  • Anthropic; co-founder of GiveWell and Open Philanthropy at Anthropic.1
  • Has an English Wikipedia biography.1

Policy and governance

Holden Karnofsky is Anthropic; co-founder of GiveWell and Open Philanthropy. Public identity records include Wikidata item Q22095663.12

Other documented roles

Roles the sources document that are not confirmed as current.

Where they work

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References

2 sources · profile reviewed Oct 24, 2026 · data updated Oct 24, 2026

  1. Holden Karnofsky — WikipediaWikipedia · accessed Oct 24, 2026
  2. Holden Karnofsky — WikidataWikidata · accessed Oct 24, 2026