Sam Altman Is Reinstated as OpenAI’s Chief Executive

Sam Altman was reinstated late Tuesday as OpenAI’s chief executive, the company said, successfully reversing his ouster by OpenAI’s board last week after a campaign waged by his allies, employees and investors.

The company’s board of directors will be overhauled, jettisoning several members who had opposed Mr. Altman. Adam D’Angelo, the chief executive of Quora, will be the only holdover.

OpenAI had an “agreement in principle” for Mr. Altman to return as chief executive, it said in a post to X. “We are collaborating to figure out the details. Thank you...