Distinguished Scientist and Managing Director,
Microsoft Research Redmond, since September 2010
Director, Transformational Convergence Technology Office, Defense Advanced Research Projects Agency (DARPA), August 2009 to September 2010
Department Head, Computer Science, Carnegie Mellon University, September 2007 to August 2009
Vice Provost for Research, July 2006 to August 2007
Professor of Computer Science, July 2000 to present
Associate Professor of Computer Science, July 1994 to June 2000
Ph.D., The University of Michigan, May 1987.
. Fellow, Association for Computing Machinery
. Former Chair of the Computing Research Association (CRA) Board, Former Chair of CRA Government Affairs Committee
. Former Member of the Computer Science and Telecommunications Board (CSTB) of the National Academies' National Research Council
. Former Vice Chair of the DARPA Information Science and Technology (ISAT) Board
. Founding Principal Investigator, Computing Innovation Fellows Project
. Witness, Hearing on the Networking and Information Technology Research and Development Act of 2009, U.S. House of Representatives, Science Committee.