The board of OpenAI's nonprofit abruptly announced that Sam Altman would depart as CEO and leave the board, stating he "was not consistently candid in his communications with the board, hindering its ability to exercise its responsibilities" while offering no specifics, fueling rampant speculation. CTO Mira Murati became interim CEO, and chairman Greg Brockman, removed as board chair, announced he was quitting the same day. It was the start of a crisis that shook the company at the center of the generative AI boom.