
What happened
Barret Zoph, a co-founder of AI startup Thinking Machines who re-joined OpenAI earlier this year, has now landed at Google as vice president of research. He left OpenAI in June after only five months.
Why it matters
Zoph's move highlights the high turnover among AI executives, especially at OpenAI, which has lost several key staff over the past eight months despite preparing for an IPO and being a major tech presence.
What to watch
At Google, Zoph will bring his reinforcement learning and post-training expertise to Gemini, according to a Google spokesperson.
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Barret Zoph's career path illustrates the fluidity of AI leadership. After leaving OpenAI in October 2024 to co-found Thinking Machines with Mira Murati, he returned to OpenAI in January, only to leave again in June. His latest move to Google, where he previously worked, is notable given Google's focus on advancing Gemini with reinforcement learning and post-training techniques.
This move comes amid broader instability at OpenAI, which has lost several high-level executives over the past eight months, including its COO and a top data center exec. The high turnover rate in the AI industry, especially at OpenAI, raises questions about leadership stability as the company prepares for an IPO. Zoph's transition to Google may signal where top AI talent sees future opportunities.
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