TechnologyAlphabet overhauls Google DeepMind leadership as Demis Hassabis shifts to chief scientist and Gemini leaders depart to launch Discovery LoopCEO of DeepMind Technologies Demis Hassabis listens during a debate at an AI summit at Imperial College London, in London, Britain, July 9, 2025. Hassabis, a Nobel Prize recipient, will take the newly created title of Alphabet’s chief scientist and transition from being Google DeepMind CEO to being ⁠its chairman, he said in a memo to staff. In 2023, after the launch of OpenAI’s ChatGPT caught Google off guard, Pichai announced the merger of DeepMind and Google Brain into a new organization called Google DeepMind. Hassabis was appointed its CEO and Dean its chief scientist. The same week, senior research scientist John Jumper, who won a Nobel Prize alongside Hassabis in 2024, said he would join Anthropic.