Google chief scientist departs after 27 years to launch AI firm Google's chief scientist, Jeff Dean, has departed after 27 years to launch a new AI firm, marking another high-profile exit from Big Tech as elite AI talent increasingly bets on themselves. The position was established in 2023 following the merger of Google Brain and DeepMind, and the departure follows other notable exits from Google DeepMind, including John Jumper's move to Anthropic in June 2026 and Noam Shazeer's to OpenAI. Via 9to5google.com Google chief scientist departs after 27 years to launch AI firm The departure marks another high-profile exit from Big Tech as elite AI talent increasingly bets on themselves Google’s chief scientist role carries particular weight. The position was established in 2023 following the merger of Google Brain and DeepMind, two of the most consequential AI research organizations ever assembled. Google DeepMind has seen a string of notable exits recently, including John Jumper’s departure to Anthropic in June 2026 and Noam Shazeer’s move to OpenAI. Over at Meta, Yann LeCun announced in November 2025 that he was leaving to start a new AI firm focused on world models. Disclosure: This article was edited by Editorial Team. For more information on how we create and review content, see our Editorial Policy https://cryptobriefing.com/editorial-policy/ .