OpenAI leadership transitions amid health concerns

OpenAI’s AGI chief Fidji Simo is leaving her full-time role to become a part-time advisor, citing health concerns after a medical leave earlier this year.

One continuously updated timeline instead of dozens of separate articles. New developments are appended as the story evolves.

1. AnnouncementJul 9, 2026, 11:24 PM

   Fidji Simo steps down from OpenAI’s AGI leadership role to become part-time advisor due to health issues.

   OpenAI’s AGI chief Fidji Simo is leaving her full-time role to become a part-time advisor, citing health concerns after a medical leave earlier this year.

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2. 15 hours later
   ReactionJul 10, 2026, 02:49 PM

   OpenAI’s COO Brad Lightcap resigns, citing personal reflections on past decisions amid leadership scrutiny.

   OpenAI’s second-in-command, Brad Lightcap, has resigned, citing personal reflections on past decisions. The move follows recent leadership turbulence at the AI lab.

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