Google parent Alphabet announced a major AI leadership overhaul, causing shares to fall up to 5%. Google DeepMind CEO Demis Hassabis is stepping down to become chairman and Alphabet's chief scientist, focusing on artificial general intelligence (AGI) and drug discovery spinoff Isomorphic Labs. Koray Kavukcuoglu will assume day-to-day leadership as senior vice president. Concurrently, veteran chief scientist Jeff Dean is departing with key researchers to launch Discovery Loop, an independent startup backed by Google. The shakeup follows high-profile talent defections and persistent delays of flagship Gemini models.
Google DeepMind leadership restructuring
- ▪Koray Kavukcuoglu, previously the chief technology officer of Google DeepMind, is stepping up as senior vice president of Google DeepMind, reporting to Sundar Pichai
- ▪Demis Hassabis is stepping down as CEO of Google DeepMind to become the unit's chairman and the chief scientist of Alphabet
- ▪Alphabet shares fell between 4% and 5% following the announcement of the leadership overhaul
Gemini flagship model delays
- ▪Google's Gemini 3.5 Pro model is months behind schedule, with some company sources attributing the delay in part to low morale
- ▪The flagship version of Google's latest Gemini model remains unreleased despite a planned June launch
Discovery Loop startup formation
- ▪Discovery Loop will focus on researching breakthroughs in machine learning, science, and engineering, with Google serving as a founding investor and cloud partner
- ▪Discovery Loop aims to build artificial intelligence that can improve itself with little or no help from humans, a process known as recursive self-improvement
- ▪Jeff Dean, Sanjay Ghemawat, Oriol Vinyals, and Quoc Le left Google to launch an independent public benefit corporation called Discovery Loop
AI talent departures to rivals
- ▪Google's AI leadership shakeup follows the departure of Gemini co-lead Noam Shazeer to OpenAI and senior research scientist John Jumper to Anthropic in June 2026
- ▪Google DeepMind has faced a groundswell of pushback from employees alongside several high-profile talent exits to competing AI labs
Hassabis AGI research focus
- ▪Demis Hassabis transitioned to the chairman and chief scientist roles to focus on strategic and global matters related to artificial general intelligence
- ▪Demis Hassabis will explore research and strategy related to the societal impacts of artificial general intelligence and will have few direct reports
Isomorphic Labs drug discovery
- ▪Demis Hassabis stated that he intends to lean into his role at Isomorphic Labs to accelerate the mission of using artificial intelligence to help cure diseases like cancer
- ▪Demis Hassabis will spend more time leading Isomorphic Labs, an Alphabet drug discovery spinoff where he serves as founder and CEO
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