Fei Xia posted that he wrapped up his time at Meta and joined Anthropic as Member of Technical Staff. He previously worked as Research Scientist and Tech Lead Manager at Google DeepMind on robotics, Gemini, and embodied AI after earning a PhD from Stanford. Colleagues from OpenAI, Princeton Robotics, and other labs replied with public congratulations. The post gives no details on start date, projects, or reasons for the move.