OpenAI posted on X, "Sam Altman is back as CEO, Mira Murati as CTO and Greg Brockman as President...OpenAI has a new initial board." Sam Altman, who officially returned as OpenAI's CEO days after being fired by the old board, said in a companywide message, "The new initial board will consist of Bret Taylor (Chair), Larry Summers and Adam D'Angelo."