Barret Zoph Joins Google DeepMind as VP of Research After Brief OpenAI Return

Barret Zoph Returns to Google DeepMind

Barret Zoph has joined Google DeepMind as vice president of research, marking another significant shift in AI leadership circles1

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. The Thinking Machines co-founder spent only five months at OpenAI before making this latest move, underscoring the high turnover rate affecting major AI companies2

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. A Google spokesperson confirmed Zoph will bring his reinforcement learning and post-training expertise to the Gemini project1

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From Thinking Machines to OpenAI and Back

Zoph's career trajectory over the past eight months reveals the intense executive movement within AI companies. He left OpenAI in October 2024 after two years to co-found Thinking Machines with Mira Murati, who had departed the AI lab the month prior1

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. In January, Zoph and fellow Thinking Machines co-founder Luke Metz dramatically departed the startup to return to OpenAI, where Zoph headed AI enterprise sales1

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. His return didn't last—he left in June after just five months.

Google DeepMind Reorganization and AI Leadership Changes

Zoph's appointment comes amid broader restructuring at Google DeepMind. Dennis Hassabis stepped aside as DeepMind CEO this month, part of Alphabet's ongoing shakeup of the AI lab2

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. During an all-hands meeting on August 6, Alphabet revealed that some teams were moving out of DeepMind into corporate Google2

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. Zoph previously spent six years with Google as a research scientist in Google Brain, which merged with DeepMind to form Google DeepMind in 20232

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What This Signals for AI Competition

The rapid succession of role changes highlights how AI companies are competing for top talent with specialized expertise. OpenAI has experienced particularly high executive turnover over the last eight months, losing critical staff from its COO to top data center executives1

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. Despite readying itself for an IPO and maintaining a powerful presence in tech, OpenAI continues to see departures that leave industry observers questioning the stability of AI leadership. Watch for how Zoph's reinforcement learning expertise shapes Google's Gemini project and whether this pattern of executive movement continues as companies race to advance their AI capabilities.