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TLDRocket
5 August 2026
Google's AI leadership is fracturing. Demis Hassabis stepped down as DeepMind CEO to become Alphabet's chief scientist and chairman, while Koray Kavukcuoglu takes operational control—but the real story is Jeff Dean's departure. The 27-year Google veteran, along with Sanjay Ghemawat, Quoc Le, and Oriol Vinyals, is launching Discovery Loop, an AI research automation startup backed by Radical Ventures and Khosla Ventures (with Alphabet as a co-investor). They're building tools to run thousands of simultaneous experiments and explore recursive self-improvement, essentially automating the research process itself. The exodus signals deeper turbulence at Google: Gemini 3.5 Pro is months behind schedule, and the company is losing key researchers to competitors precisely when it needs them most.
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