Google Gemini's core data pre-training lead resigns to join Jeff Dean's new company, Discovery Loop: Fangxiaoyu Feng: 12 years at Google, starting from writing Fiber configuration servers, rising all the way to become the head of Gemini's pre-training web data. Every single webpage read by Gemini 2 → 3.1 passed through her hands. Co-authored reports for PaLM 2, Gemini 1 / 1.5 / 2.5 across four generations. In August 2026, she left DeepMind to join Discovery Loop. The person deciding what the model 'eats' is switching teams. #TalentFlow #Gemini #DiscoveryLoop #DINQ