OpenAI COO Brad Lightcap Leaves After Eight Years, With CRO Denise Dresser Absorbing Most of His Responsibilities
CNBC (corroborated by TechCrunch, Bloomberg, Axios; r/singularity 923up/203c)·high signal
Brad Lightcap announced on X on 2026-08-11 that he is leaving OpenAI after eight years to 'start something new'; he had been COO until April, when he was moved to a special-projects role. CNBC, TechCrunch, Bloomberg, Axios and Fortune all confirmed the departure, with OpenAI saying Chief Revenue Officer Denise Dresser will take on most of his duties. The r/singularity thread hit 923 upvotes and 203 comments, and the exit lands while OpenAI is trying to justify an $852B valuation ahead of an expected IPO.