Demis Hassabis steps down from Google DeepMind CEO role amid a major AI leadership shakeup

Demis Hassabis is stepping down as Google DeepMind CEO to become chairman and Alphabet's chief scientist, with Koray Kavukcuoglu taking over operations. The restructuring includes Jeff Dean leaving Google to co-found Discovery Loop, and Alphabet's stock fell 5% amid delays in Gemini model launches and leadership exits.