Person
Mike Fein
Lately: Anthropic as Head of Security, from Google.
Recorded moves
Mike Fein → Anthropic as Head of Security, from Google (Vice President, Global Strategic Security Programs)
Security leadership arriving before the infrastructure buildout peaked suggests Anthropic sequenced protection ahead of physical expansion.
In the archive
Hiring & Talent
The Biggest AI Hires of 2026 (So Far)
Fidji Simo relinquished her post as OpenAI's second-in-command to illness, Noam Shazeer and three Google veterans departed together to found a rival, and John Ternus rose to Apple's helm, rewriting AI's leadership map in 2026.