Google DeepMind’s Leadership Shake-Up: Hassabis Moves Up, Jeff Dean Moves On
Google just reshuffled the people running its most important AI division. On August 5, 2026, the company said Demis Hassabis is stepping back from day-to-day leadership of Google DeepMind to become Chief Scientist of Alphabet, and Koray Kavukcuoglu is taking over the operational reins as Senior Vice President.
On the same day, one of Google's most influential engineers, Jeff Dean, announced he is leaving after 27 years to start his own company. He is not going alone.
So this is not a quiet title swap. It is the biggest change to Google's AI command structure since DeepMind and Google Brain merged in 2023. Here is what actually happened, who is now in charge of Gemini, and why it matters if you use Google's AI at all.
What did Google actually announce?
Google announced a leadership chang...



