Fidji Simo
Jul 9, 2026
Medical leave ran longer than expected, so she moves to a part-time advisory role.
Excited to welcome Barret Zoph, Luke Metz, and Sam Schoenholz back to OpenAI!
Jul 9, 2026
Medical leave ran longer than expected, so she moves to a part-time advisory role.
Nov 10, 2025
Will build out OpenAI compute infrastructure for artificial general intelligence.
Sep 2, 2025
Reports to Fidji Simo and heads product engineering for ChatGPT, Codex and future apps.
May 7, 2025
Leaves Instacart over several months to join OpenAI full-time later in the year.
Jan 14, 2026
Named CTO as a seasoned leader and major contributor to the team.
From public announcements and filings. Roles as reported on the date shown. Logos via logo.dev; trademarks belong to their owners.
Weekly: the week's data and AI leadership moves, Saturday mornings.