Jeff Dean's Final 48 Hours at Google Revealed: 1,500-Person Farewell, Late-Night Replies

Google legend Jeff Dean detailed his last 48 hours at the company during KDD 2026, including announcing his departure to 139 close colleagues, attending a farewell event with 1,500 people, and officially leaving on August 6. He then became co-founder and CEO of Discovery Loop, a new venture with Sanjay Ghemawat and others to explore AI-accelerated research. This marks a significant shift in AI leadership and signals new directions for research.