OpenAI loses three senior executives in four months ahead of IPO

OpenAI COO Brad Lightcap departed on August 11, 2026, after eight years, joining AGI lead Fidji Simo (July) and CMO Kate Rouch (April) in a four-month exit window. President Greg Brockman and CRO Denise Dresser absorbed the vacated portfolios. OpenAI has vowed to cut "side quests" in favor of revenue drivers as it prepares to go public.