I am a research staff member at NEC Laboratories America, Inc. I received an M.S. degree and a Ph.D. degree in Computer Science from University of California at Los Angeles, an M.S. degree in Electrical Engineering from University of Notre Dame, a B.E. degree and an M.E. degree in Automatic Control from Tsinghua University, China. My primary research interests include cloud computing, social networks, and data mining. I am a member of ACM and a senior member of IEEE.