As of August 5, Alphabet restructured its entire AI leadership hierarchy, moving Hassabis from CEO of Google DeepMind to the newly created dual role of Chair of Google DeepMind and Chief Scientist of Alphabet. Taking over the operational reins is Koray Kavukcuoglu, formerly DeepMind’s Chief Technology Officer, who has been elevated to Senior Vice President of Google DeepMind. The same day brought news that Jeff Dean, one of Google’s most legendary engineers, and three other prominent AI researchers, including Oriol Vinyals, Quoc Le, and Sanjay Ghemawat, left the company to start a new AI startup. Why crypto and tech investors should careFor Alphabet investors specifically, the 4% stock decline reflects genuine anxiety about execution risk. Hassabis was the person investors trusted to keep Google competitive in the AI race.