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Holden Karnofsky

Co-founder and president of Anthropic and writer of the Cold Takes blog.

Researcher1 organizations1 reports

Profile status: updated

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Trust signals

Profile completeness35%

Public sources1

Official sources1

CountryUnited States

Last reviewedMar 13, 2026

Review outcomeUpdated

Official homepage

updated United States 1 public sources

Latest review note

Added website, country, and English bio from Holden Karnofsky's Cold Takes site.

Public links

website Personal website

Organizations

core Anthropic

Reports

Alignment and Safety Sleeper Agents: Training Deceptive LLMs that Persist Through Safety Training

Official and primary sources

https://www.cold-takes.com/ Official source · homepage

LLMpeople is a public atlas for discovering frontier AI researchers with context, provenance, and respect.