Sam Altman hired by Microsoft, 600 OpenAI employees threaten to quit in protest of his ouster Monday, November 20 by ABC News(NEW YORK) -- Sam Altman, a prominent executive behind the rise of artificial intelligence, was hired by Microsoft days after being ousted as CEO of OpenAI, eliciting a letter signed by nearly 600 employees at OpenAI calling for the resignation of the company's board... Read More.