OpenAI announced a major executive reshuffle on April 3, 2026. COO Brad Lightcap will leave his operational role to head a new "special projects" unit reporting directly to CEO Sam Altman. CEO Fidji Simo disclosed she is taking several weeks of medical leave for a neuroimmune condition, while chief marketing officer Kate Rouch steps down to focus on cancer treatment. Denise Dresser, former Slack chief executive, assumes the chief revenue officer post, and co‑founder Greg Brockman will temporarily oversee product. The changes aim to preserve momentum on the company’s research and growth agenda. Read more →