Ron Brachman is Head of Yahoo Labs and Chief Scientist of Yahoo. He has overall responsibility for leading all of Yahoo’s science activities worldwide, including research and applied science, research engineering, and Academic Relations. Ron joined Yahoo in 2005. He was one of the original leaders who helped to define and build Yahoo Research. Ron founded our research lab in New York City and established the basic operational procedures for the entire Research and Labs organizations, acting as its main liaison to key corporate support functions. Prior to joining Yahoo, Ron was the Director of the Information Processing Technology Office at DARPA; before that he held various research leadership and management positions at AT&T, both at Bell Laboratories and AT&T Labs. Ron holds a B.S.E.E. degree from Princeton University (summa cum laude) as well as the S.M. and Ph.D. degrees in Applied Mathematics from Harvard University. He is a Fellow of the Association for Computing Machinery, a Fellow of IEEE, and a Founding Fellow of the Association for the Advancement of Artificial Intelligence (AAAI). He won IJCAI’s Donald E. Walker Distinguished Service Award and AAAI’s Distinguished Service Award. He served as President of AAAI from 2003 to 2005. He also edits the Synthesis Artificial Intelligence and Machine Learning series of online publications for Morgan & Claypool.