Barret Zoph
Barret Zoph is an AI researcher and executive currently serving as VP, GM B2B at OpenAI, a position he assumed in January 2026. He previously held the role of VP of Research for Post-Training at OpenAI from September 2022 to October 2024, where his team worked on alignment, tool use, evaluations, ChatGPT, search, and multi-modality. Prior to OpenAI, he was a Staff Research Scientist at Google Brain, where he made significant contributions to Neural Architecture Search and sparse expert models such as Switch Transformers. He also briefly served as CTO and Co-Founder of Thinking Machines Lab before returning to OpenAI.
“My old roommate when I was at Brain, Barrett Zoff, is someone that like I've learned a lot from. He was kind of the best AI researcher that I like worked with when I was at Brain and he's now at OpenAI, like ran their post-training team.”
Source→AI-extracted from podcast / newsletter / paper summaries. May contain errors.