Jeff Dean Leaves Google After 27 Years To Found Discovery Loop

Jeff Dean, Google's chief scientist and one of the company's most recognisable engineering figures, is departing after 27 years to co-found a new venture called Discovery Loop. He is joined by fellow long-serving Google veterans Sanjay Ghemawat, Oriol Vinyals and Quoc Le, all of whom have played significant roles in Google's machine learning and research infrastructure over the past two decades. Discovery Loop is structured as a public benefit corporation, with a stated aim of automating machine learning, science and engineering research. The company intends to build systems capable of running large portions of the research process autonomously, from generating hypotheses to designing and evaluating experiments, rather than simply assisting human researchers with individual tasks. Notably, Google itself is investing in Discovery Loop and will provide cloud infrastructure to support the venture, suggesting the search giant sees strategic value in maintaining a close relationship with its former chief scientist rather than treating the departure as a clean break. This arrangement mirrors a broader pattern among major AI labs, where senior researchers spin out into independent or semi-independent ventures that remain commercially and technically tied to their former employer. Dean's departure marks the end of an era at Google, where he was instrumental in building foundational infrastructure including MapReduce, Bigtable and TensorFlow, and later led much of the company's AI research strategy, including work on large language models. His exit, alongside three other senior figures, represents one of the more significant leadership shifts in Google's AI division in recent years, and raises questions about succession within Google DeepMind and the broader Google AI research organisation.