is Chair of the Department of Computer Science and Director of the Rochester Big Data Initiative at the University of Rochester. He performs research in social media, machine learning, pervasive computing, automated planning, and assistive technology. His academic degrees include an A.B. in mathematics from
University, an M.A. in Creative Writing from the Johns
Hopkins University, an M.Sc. in Computer Science from the University
of Toronto, and a Ph.D. in computer science from the University
of Rochester. He was a researcher and department head at Bell Labs and AT&T
Laboratories until becoming a Professor
in the Department of Computer Science and Engineering
of the University of Washington in 2000.
He joined University of Rochester in 2006. He was President (2010-2012) of the Association for the Advancement of Artificial Intelligence, and is a Fellow of the AAAI, a Fellow of the American Association for the Advancement of Science, and a recipient of the IJCAI Computers and Thought Award.