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Former OpenAI executive Barret Zoph joins Google as research vice president

The AI leader returns to Google following brief tenures at Thinking Machines and OpenAI.

The short version

  • Barret Zoph has been hired as vice president of research at Google, where he will focus on post-training and reinforcement learning for Gemini.
  • Zoph previously co-founded Thinking Machines after leaving OpenAI in late 2024, returned to OpenAI early this year, and departed again in June.
  • The move highlights ongoing high-level executive turnover within major artificial intelligence companies.

Key facts

  • Barret Zoph has rejoined Google as vice president of research.[TechCrunch]
  • A Google spokesperson stated Zoph will apply his post-training and reinforcement learning expertise to the Gemini project.[TechCrunch]
  • Zoph co-founded startup Thinking Machines with Mira Murati after leaving OpenAI in October 2024.[TechCrunch]
  • Zoph left Thinking Machines in January to return to OpenAI, where he led enterprise AI sales before leaving again in June.[TechCrunch]

Sources