OpenAI’s board fires and then reinstates Sam Altman
Confirmed
The takeaway
OpenAI’s non-profit board abruptly removed CEO Sam Altman on 17 November 2023, saying he was ‘not consistently candid’; after nearly all staff threatened to leave for Microsoft, he was reinstated days later with a new board.
Status
- Claim
Confirmed
- Our reporting
- High confidence
- Importance
- 3 of 5
- Last verified
- 29 September 2026
Your AI and this story
- GPT-6 AstraIn its training data
- Claude Opus 5.5In its training data
- Gemini 4 HydrogenIn its training data
- Grok 4.7In its training data
It happened before the cutoffs of all four assistants, so it can be in their training data.
Key facts
- Board announcement on 17 November 2023
- Over 700 employees signed a letter threatening to resign
- Agreement for Altman’s return announced 21–22 November 2023
- New initial board chaired by Bret Taylor
What happened
In a five-day crisis, OpenAI cycled through interim CEOs before Altman returned and the board was reconstituted.
Why it matters
Exposed the fragility of non-profit oversight of frontier labs and preceded OpenAI’s restructuring toward a for-profit entity.
Sources
3 sources from 2 sites. Numbers match the chips in the text.
3 sources: 2 primary, 1 reaction
Primary
- OpenAI announces leadership transition (OpenAI)openai.com, official
- Sam Altman returns as CEO, OpenAI has a new initial board (OpenAI)openai.com, official
Reactions
- Wikipedia: Removal of Sam Altman from OpenAIen.wikipedia.org, discussion
Changes
- Filed