Eric Horvitz is the Chief Scientific Officer of Microsoft. His contributions span machine learning, reasoning, and decision making, including probabilistic representations for reasoning and action, models of bounded rationality, and human-AI complementarity and collaboration. He received the Allen Newell Prize and the Feigenbaum Prize for contributions to AI. He is a fellow of the AAAI and ACM and has been elected to the National Academy of Engineering and the American Academy of Arts and Sciences. He serves on the President’s Council on Science and Technology (PCAST), the Computer Science and Telecommunications Board (CSTB), the scientific advisory board of the Allen Institute for AI, and as founding chair of the Partnership on AI. He has served as president of the AAAI, as a commissioner on the National Security Commission on AI, and on the advisory committee of NSF’s CISE Directorate. Beyond technical work, he has pursued efforts and studies on the influences of AI on people and society, including issues around ethics, law, and safety. At Stanford, Eric established the One Hundred Year Study on AI. Eric received both a PhD and MD from Stanford.