Google is undergoing a major restructuring of its artificial intelligence leadership, with its decade-long "research-first" culture giving way to a stronger focus on commercial monetization.
Google DeepMind founder and Nobel Prize-winning chemist Demis Hassabis is stepping down from his day-to-day operational role. His management duties will be transferred to new Senior Vice President Koray Kavukcuoglu, while Hassabis transitions to the position of Chief Scientist at Alphabet and Chairman of Google DeepMind.
According to sources familiar with the matter, control over the company's AI operations is shifting from London, the headquarters of DeepMind, back to Silicon Valley in California. Co-founder Sergey Brin has become increasingly active in core decision-making and is now one of the most influential voices in Google's AI strategy. This restructuring coincides with the announcement that veteran AI scientist Jeff Dean is leaving the company this week, raising doubts about Google's ability to retain top AI talent.
Power Shifts from London Back to Silicon Valley
The most notable change in this restructuring is the shift in role for Demis Hassabis, founder of Google DeepMind and winner of the 2024 Nobel Prize in Chemistry. Taking over his responsibilities is new Senior Vice President Koray Kavukcuoglu, formerly DeepMind's Chief Technology Officer. He moved from London to Google's headquarters in Mountain View, California last year and now works from a desk next to co-founder Sergey Brin, directly leading the development of the core Gemini large language model.
Brin, who had stepped back from daily operations years ago, has been actively involved in AI strategy since the launch of ChatGPT. Sources report that, despite holding no formal executive title, he has become one of the most influential voices in Google's AI direction and is deeply engaged in Gemini's development decisions.
This restructuring, which has been in the works for months, marks a full centralization of AI power within Google. The company is eager to accelerate the development of its flagship AI model to close the gap with competitors. Google CEO Sundar Pichai stated when announcing the changes: "We must accelerate all our efforts and maintain our focus on the frontier of AI. These changes will help us sustain our momentum."
Tension Between Research Culture and Commercial Demands
While Hassabis is widely respected for his scientific leadership, there is reportedly growing frustration among Google's senior management about his lack of focus on the commercial needs of the AI business. A key point of friction is AlphaFold, the protein structure prediction system that earned Hassabis the 2024 Nobel Prize. His decision to make it freely available generated little financial return despite significant investment, sparking internal debate.
However, a person close to Google disputed claims of tension, noting that Hassabis led the initial launch of the company's most advanced AI model, Gemini. Nonetheless, Google faces unprecedented external pressure. While the company saw some recovery last year with the Gemini 3 model series and the viral success of the image editing tool Nano Banana, top executives and the board remain concerned. In code tools and enterprise AI, Anthropic and OpenAI have established early leads, and Google needs to prove itself in this high-margin market.
For Hassabis, stepping back from daily management may offer some relief. In a statement to employees, he said stepping down allows him to focus on the "big picture" and guide the development of increasingly powerful Artificial General Intelligence (AGI), which he believes is "within sight."
Yann LeCun, former Chief AI Scientist at Meta, who made a similar management transition in 2018, expressed understanding. He noted: "Hassabis has a vision for AI research. Conducting research himself and inspiring others to follow is more efficient for achieving that vision than giving orders as a manager. You just want to focus on things where you can leverage your unique capabilities."
Friends of Hassabis also revealed he feels "relieved and optimistic." The new role allows him to retain significant influence while avoiding the need to relocate to the U.S. and freeing up more time for his AI drug discovery company, Isomorphic Labs.
Risk of Talent Exodus Emerges
This shift in power has caused significant disruption within DeepMind's London lab. Several current and former employees expressed concerns that the "pure research culture" long protected by Hassabis may now come to an end. A former DeepMind executive who has joined a competitor said they have already received calls from DeepMind employees preparing to change jobs.
The talent exodus risk is not limited to London. This week, Jeff Dean, a highly respected AI scientist who spent 27 years at Google, also announced his departure. He plans to co-found a new AI startup called Discovery Loop, which will receive support from Google.
The financial markets have reacted sharply to this upheaval. Following the announcement on Wednesday, Alphabet (GOOGL) shares fell 4% on Wednesday and continued to drop over 1% on Thursday.
This investor sell-off highlights market concerns about rising costs in Google's AI push and strong anxiety over whether the company can successfully translate its "research strength" into commercially successful products.
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