Fidji Simo
Jul 9, 2026
Medical leave ran longer than expected, so she moves to a part-time advisory role.
Raji will report to Simo and will head product engineering for ChatGPT, the company’s AI coding tool Codex, and future applications that OpenAI plans to build.
Jul 9, 2026
Medical leave ran longer than expected, so she moves to a part-time advisory role.
Jan 14, 2026
Returns to OpenAI.
Nov 10, 2025
Will build out OpenAI compute infrastructure for artificial general intelligence.
May 7, 2025
Leaves Instacart over several months to join OpenAI full-time later in the year.
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.