· Co-founder and CTO, Cambridge Mobile Telematics (CMT)2010–
· Co-founder, StreamBase Systems2003–
· Fujitsu Professor of Computer Science and Artificial Intelligence, Massachusetts Institute of Technology (MIT)1998–
· Director, MIT Center for Wireless Networks and Mobile Computing, MIT Computer Science and Artificial Intelligence Laboratory (CSAIL)1998–
· Consultant, Sandburst1998–2001
· M.S. in Electrical Engineering and Computer Science, University of California, Berkeley1994–1995
· PhD in Computer Science, University of California, Berkeley1994–1998
· B. Tech. in Computer Science and Engineering, Indian Institute of Technology, Madras1990–1993