technology

OpenAI reshuffles executives as COO Brad Lightcap moves to special projects

OpenAI said its COO will transition to a new role leading companywide deals and investments while CEO of AGI Fidji Simo takes medical leave and other senior leaders shift responsibilities.

Apr 3rd 2026 · United States

Insights

  • Brad Lightcap will leave the COO role to lead special projects covering complex deals and investments and will report to CEO Sam Altman.
  • Denise Dresser will take on some COO duties in the interim.
  • Fidji Simo announced she will take several weeks of medical leave to manage a neuroimmune condition.
  • Greg Brockman will oversee product while Simo is on leave.
  • CMO Kate Rouch is stepping down to focus on cancer recovery and will return later in a narrower role, and OpenAI will search for a new CMO.
  • OpenAI said the leadership changes were arranged to maintain continuity as the company advances research, grows its user base, and expands enterprise work.
  • The changes were disclosed in a company memo and confirmed to TechCrunch and Bloomberg on April 3, 2026.