Shear confirmed his appointment in a post on X in the early hours of Monday morning, calling it a “once-in-a-lifetime opportunity.' Hours earlier, Microsoft CEO Satya Nadella had announced that Altman and his OpenAI cofounder Greg Brockman would be joining the tech giant to head a new AI research unit. “We look forward to getting to know Emmett Shear and OAI's new leadership team and working with them,” Nadella said in a statement.
“And we’re extremely excited to share the news that Sam Altman and Greg Brockman, together with colleagues, will be joining Microsoft to lead a new advanced AI research team.” Microsoft declined to comment on their start dates. Shear and OpenAI did not immediately respond to requests for comment. Shear’s arrival follows a dramatic and chaotic weekend at the world’s most prominent AI company, which develops the ChatGPT chatbo