Demis Hassabis stepped down as CEO of Google DeepMind on August 5, 2026, becoming chairman of DeepMind and chief scientist of Alphabet [1, 2, 3, 4, 5, 6, 7, 8, 9]. The move came amid a significant leadership reshuffle as senior AI researchers Jeff Dean, Sanjay Ghemawat, Oriol Vinyals, and Quoc Le left Google to form a new AI startup called Discovery Loop, aimed at automated machine learning and scientific breakthroughs, with Google as an investor and cloud provider [1, 10, 5, 6, 7, 11, 8].

Koray Kavukcuoglu, formerly CTO and chief AI architect for DeepMind, was promoted to senior vice president. He now oversees daily AI operations at Google DeepMind and the development of the Gemini AI model, reporting directly to CEO Sundar Pichai [1, 2, 3, 4, 5, 6, 7, 8, 9]. Kavukcuoglu pledged to maintain the company’s mission to build responsible AI for humanity and emphasized delivering on Gemini’s ambitious roadmap toward artificial general intelligence (AGI) [3].

Hassabis retains leadership of Google’s AI drug discovery spinoff Isomorphic Labs and said, "I've been working towards AGI my whole life and now, like many of you, I feel it is close at hand." He added, "It's critical that we collectively get the next steps right to ensure this all goes well for humanity and we usher in an incredible new age of discovery and wonder" [3, 9].

Google merged its Google Brain and DeepMind teams in 2023 but kept separate operations across California and London. The current leadership changes come as Google faces increasing competition in AI from firms like Anthropic and OpenAI. Its flagship Gemini AI model launch has been delayed past the planned June 2026 release [1, 2, 5, 6, 7, 8].

On August 5, 2026, Alphabet’s stock price dropped roughly 4% following the announcement of the AI leadership departures and restructuring [10, 5, 6, 8]. Despite this, Google plans to invest up to $205 billion in capital expenditures this year to support its AI ambitions and is reportedly exploring up to $25 billion in new bond issuances to fund these efforts [1, 7].

The Gemini app currently reaches over 950 million monthly users with more than 900 million model downloads, indicating strong consumer engagement with Google’s AI products [12].

Discovery Loop, the new startup formed by the departed Google veterans, has secured initial seed capital of $1.1 billion and will focus on advancing automated machine learning and scientific research without commercial pressures [1, 10, 5].

The AI leadership changes mark a new phase for Google DeepMind as it seeks to accelerate progress toward AGI while navigating staff turnover and competitive pressures. The next major milestone will be the eventual rollout of the Gemini flagship model, which remains awaited after delays.