Daniela Amodei: Anthropic President and Dario’s Sister
Daniela Amodei is President and co-founder of Anthropic, the company behind Claude. She's Dario's younger sister and former OpenAI VP of Safety.
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Daniela Amodei is President and co-founder of Anthropic, the company behind Claude, and the younger sister of its CEO Dario. An English literature graduate, she worked on political campaigns and at Stripe before joining OpenAI, where she led the team on GPT-2 and headed safety and policy. She left in 2021 to start a competitor. Facts checked September 18, 2026.
| Who | President and co-founder of Anthropic (2021), previously VP of Safety and Policy at OpenAI |
| Born | 1987, San Francisco (38 or 39 years old); sister of Dario Amodei |
| Education | English literature at University of California, Santa Cruz, flute scholarship |
| Career | political campaigns in Pennsylvania and office of Congressman Matt Cartwright, Stripe (from 2013), OpenAI (2018-2020), Anthropic (from 2021) |
| Net worth | Forbes, February 2026: $7 billion |
| Personal | husband Holden Karnofsky (married 2017), co-founder of Coefficient Giving foundation (formerly Open Philanthropy); one son |
| Recognition | Time 100 AI (2023, with her brother), Time 100 (2026) |
Unusual Path to AI
Daniela Amodei is not an engineer. She studied English literature and music, starting her career in global health and politics: she worked on a winning Congressional campaign in Pennsylvania and briefly ran communications for Congressman Matt Cartwright in Washington. In 2013 she joined Stripe as one of the first employees, and in 2018 OpenAI, where she managed the team during work on GPT-2 and rose to VP of Safety and Policy. In 2020 she left along with her brother Dario and a group of researchers who disagreed with the direction of the company under Sam Altman.
Anthropic: Safety as Product
As President of Anthropic, she runs the operational side of the company and the safety and compliance teams, while Dario leads research direction. She represents the company in conversations with regulators and corporate clients, and her public thesis is that safety should be a product feature, not a brake. Anthropic was valued at $965 billion in May 2026, and its Claude models, including Fable 5.1, compete for the top of the AI model rankings. In February 2026 the company refused the Pentagon’s request to remove Claude’s ban on use for mass surveillance, as I write in her brother’s biography.
Google · Your sourcesQuantslant higher in your Google - one clickAdd to preferred sources →Common Questions
How old is Daniela Amodei?
38 or 39; only her birth year, 1987, is known. She is four years younger than Dario.
What is Daniela Amodei’s net worth?
Forbes estimated her wealth at $7 billion in February 2026, in Anthropic shares. This is a paper valuation, dependent on the company’s valuation.
Who is Holden Karnofsky?
Her husband, co-founder of the philanthropic organization Open Philanthropy (now Coefficient Giving), one of the most important institutions funding AI safety research.
Sources checked September 18, 2026: Wikipedia EN “Daniela Amodei” with citations (Wired, Time, Fortune, Business Insider, Forbes).
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