Google overhauls AI leadership as Jeff Dean exits and Demis Hassabis steps down as DeepMind CEO

Aug 5, 2026

Google is overhauling its AI leadership amid intense competition. Chief scientist Jeff Dean and three other top researchers, including Sanjay Ghemawat, are leaving to launch Discovery Loop, an AI startup focused on automating scientific discovery. Demis Hassabis is stepping down as DeepMind's CEO to become Alphabet's chief scientist. Google is a founding investor in the new venture, but the high-profile departures sent its stock down 5.5%.

Jeff Dean departure from Google

▪Sanjay Ghemawat, a Google senior fellow, is also leaving the company to co-found Discovery Loop.
▪Demis Hassabis is stepping down as CEO of Google DeepMind to become its chair and the chief scientist of parent company Alphabet.
▪Jeff Dean, Google's chief scientist, is leaving the company after 27 years to co-found a new AI company called Discovery Loop.
▪Koray Kavukcuoglu, formerly DeepMind's CTO, has been promoted to head the Google DeepMind unit, reporting to CEO Sundar Pichai.
▪The leadership shakeup occurs as Google faces delays with its next major AI model while competitors like Anthropic and OpenAI release top offerings.
▪Alphabet's shares fell as much as 5.5% after the leadership changes were announced.

Discovery Loop founding team

▪Oriol Vinyals was a VP of research at DeepMind and a technical lead for Google's Gemini model.
▪Jeff Dean will serve as the CEO of the new company, Discovery Loop.
▪Quoc Le was a co-founder of Google Brain and the key scientist behind Google's AutoML-Zero project.
▪Top Google AI scientists Oriol Vinyals and Quoc Le are also co-founders of Discovery Loop, joining Dean and Ghemawat.

Automated scientific discovery vision

▪The company's mission is to build AI solutions that automate problem-solving in machine learning, science, and engineering.
▪Discovery Loop is organized as a public benefit corporation.
▪The startup's initial goal is to create autonomous experiment loops to improve its own machine learning algorithms.
▪Discovery Loop aims to apply its AI to advance fields like chip design, biology, drug discovery, and material design.

Venture capital funding round

▪Jordan Jacobs, managing partner of Radical Ventures, will join Discovery Loop's board of directors.
▪The founders have not disclosed the amount of funding raised or the company's valuation.
▪Discovery Loop has received funding from venture capital firms Khosla Ventures and Radical Ventures.

Google investment partnership terms

▪Google is a founding investor in Discovery Loop.
▪Google will provide Discovery Loop with compute power for its first year of operation.
▪Google and Discovery Loop plan to collaborate on a research framework for ML systems and infrastructure.