Eric Horvitz is distinguished scientist and director of Microsoft Research at Redmond. His interests span theoretical and practical challenges with machine learning, inference, and decision making. His efforts have helped to bring multiple systems and services into the world, including innovations in healthcare, ecommerce, aerospace, systems & networking, and human-computer interaction. He has been elected fellow of Association for the Advancement of Artificial Intelligence (AAAI), the American Association for the Advancement of Science (AAAS), the American Academy of Arts and Sciences, and the National Academy of Engineering, and has been inducted into the CHI Academy. He has served as president of AAAI, chair of the AAAS Section on Information, Computing, and Communications, and on the advisory committees for the National Science Foundation’s (NSF) Directorate for Computer & Information Science & Engineering (CISE), the Computing Community Consortium (CCC), and the Information and Science Study Group (ISAT) of the Defense Advanced Research Projects Agency (DARPA). Information on publications, collaborations, and activities can be found at http://research.microsoft.com/~horvitz.