Alphabet reshuffles AI leadership as Jeff Dean exits

Alphabet announced a sweeping leadership overhaul of its artificial intelligence division on Wednesday, August 5, 2026, as two of its most prominent AI leaders, Demis Hassabis and Jeff Dean, transition into new roles. The restructuring sees Hassabis stepping back from day-to-day operations as CEO of Google DeepMind to become the unit's chairman and the newly created chief scientist of Alphabet. Meanwhile, Jeff Dean, Google's longtime chief scientist, is departing the company after 27 years to co-found an independent startup.

Demis Hassabis, a Nobel Prize-winning co-founder of DeepMind, explained his shift by citing the approaching development of artificial general intelligence (AGI). In a memo to employees, he stated that he feels AGI is close at hand and that he needs to focus on the broader strategic and societal implications. He said his new role will allow him to work closely with Alphabet CEO Sundar Pichai on global AGI matters while continuing to advise DeepMind's research teams. Hassabis also indicated he will spend more time with Isomorphic Labs, an Alphabet-backed drug discovery company he leads, emphasizing his belief that improving human health is the foremost...