Humanity Unfolds
People
Sam AltmanThe people behind the era

Sam Altman

Co-founder & CEO of OpenAI.

41 years old
Explore their timeline

Now

OpenAI logoOpenAICo-founder & CEO

Previously

Y Combinator logoY CombinatorPresident

Founded / created

OpenAI logoOpenAI
Connected organizations 8

Shared timeline entries, not an employment history.

Stargate Project logoStargate ProjectGoogle / Alphabet logoGoogle / AlphabetMeta logoMetaApple logoAppleMicrosoft logoMicrosoftAnthropic logoAnthropicxAI logoxAI

On the timeline

2015-12-11OpenAI introduces itself2023-11-17OpenAI’s board removes Sam Altman2023-11-29Sam Altman’s return as CEO is formalized2025-01-21Trump and partners announce Stargate2025-09-04Trump gathers technology and AI leaders
All 7 entries +
2025-10-21ChatGPT Atlas browser launches2026-09-12We Must Pace the Frontier
Sources 15