OpenAI co-founder Greg Brockman has returned to the company three months after announcing he would take a sabbatical "through end of year." On Tuesday, he posted on X that the "longest vacation" of his life was complete and that he was "back to building OpenAI."

OpenAI co-founder Greg Brockman has returned to the artificial intelligence startup three months after taking a leave from his role as president, bringing a key figure back to the C-suite amid an exodus of top executives.

Brockman, who was president, has been working with CEO Sam Altman on creating a new role for him to focus on significant technical challenges, Bloomberg reported.