Who is the Chief Global Affairs Officer of Anthropic?

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Updated Data as of 2026-09-29

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Mariano-Florentino Cuéllar has been the Chief Global Affairs Officer of Anthropic since 2026 and reports to Daniela Amodei. Mariano-Florentino reached the role after 4 tracked posts, most recently Chief Global Affairs Officer at Anthropic. Mariano-Florentino Cuéllar became Anthropic's first chief global affairs officer in August 2026, in charge of the company's relations with policymakers, regulators and governments around the world, and he reports to president Daniela Amodei. Mariano-Florentino is one of 10 tracked leaders at the company.

Mariano-Florentino Cuéllar profile

MCMariano-Florentino Cuéllar
Mariano-Florentino Cuéllar
Chief Global Affairs Officer, Anthropic
Chief global affairs officer since August 2026

He was previously president of the Carnegie Endowment for International Peace and a justice of the Supreme Court of California, and served in the Clinton, Obama and Biden administrations. He had been a trustee of Anthropic's Long-Term Benefit Trust before stepping down to join the company.

Reports to
Daniela Amodei
Email
••••@anthropic.com

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Mariano-Florentino Cuéllar career history

  • Chief Global Affairs Officer, AnthropicAugust 2026 to present
  • Trustee, Long-Term Benefit Trust, AnthropicJanuary 2026 to 2026
  • President, Carnegie Endowment for International Peacebefore 2026
  • Justice, Supreme Court of Californiaearlier

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Other leaders at Anthropic

LeaderEmailProfile
DADario AmodeiDario AmodeiCo-Founder and Chief Executive Officer ••••@anthropic.com Profile →
DADaniela AmodeiCo-Founder, President and Chair of the Board ••••@anthropic.com Profile →
KRKrishna RaoChief Financial Officer ••••@anthropic.com Profile →
RPRahul PatilChief Technology Officer ••••@anthropic.com Profile →
JKJared KaplanJared KaplanCo-Founder and Chief Science Officer ••••@anthropic.com Profile →
SMSam McCandlishCo-Founder and Chief Architect ••••@anthropic.com Profile →
AVAmi VoraChief Product Officer ••••@anthropic.com Profile →
PSPaul SmithChief Commercial Officer ••••@anthropic.com Profile →
CCChris CiauriManaging Director of International ••••@anthropic.com Profile →

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FAQ

Frequently asked questions

Who is Mariano-Florentino Cuéllar?

Mariano-Florentino Cuéllar is the Chief Global Affairs Officer of Anthropic (as of 2026-09-29). Chief global affairs officer since August 2026. You can see their background and career history above.

What is Mariano-Florentino Cuéllar's background?

Mariano-Florentino Cuéllar became Anthropic's first chief global affairs officer in August 2026, in charge of the company's relations with policymakers, regulators and governments around the world, and he reports to president Daniela Amodei. He was previously president of the Carnegie Endowment for International Peace and a justice of the Supreme Court of California, and served in the Clinton, Obama and Biden administrations. He had been a trustee of Anthropic's Long-Term Benefit Trust before stepping down to join the company.

How can I contact Mariano-Florentino Cuéllar at Anthropic?

You can find and verify Mariano-Florentino Cuéllar's professional email and direct phone number with Derrick, from its web app or Google Sheets. Anthropic's addresses generally follow the first@anthropic.com pattern, but that individual address is not verified here, so confirm it before reaching out.

Who does Mariano-Florentino Cuéllar report to?

Mariano-Florentino Cuéllar reports to Daniela Amodei. See the full org chart on the Anthropic executives page.