Barret Zoph
Jan 14, 2026
Returns to OpenAI.
Technology chiefs whose remit the source ties to data or AI.
Jan 14, 2026
Returns to OpenAI.
Jan 14, 2026
Named CTO as a seasoned leader and major contributor to the team.
Oct 2, 2025
Will oversee compute, infrastructure, inference and other engineering work.
Sep 2, 2025
Reports to Fidji Simo and heads product engineering for ChatGPT, Codex and future apps.
Apr 22, 2025
First combined tech, data and analytics chief, leading transformation of global data and technology capabilities.
Apr 22, 2025
Takes over data center accelerator chips such as GPUs in a new AI and CTO organization.
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.