He received his B. S. from Xidian University in 1995, and Ph.D. degree from the Chinese Academy of Sciences in 2000, both in Computer Engineering. His current research focuses on mobile computing, trusted resource sharing in peer-to-peer systems, content delivery, and wireless sensor networks. He is the author of the book "Performance Optimization of Software Distributed Shared Memory Systems". He is a recipient of Microsoft Fellowship in 1999, the President outstanding award of the Chinese Academy of Sciences in 2000, one of 100 outstanding Ph.D. dissertations (China) in 2002, ``Faculty Research Award'' of Wayne State University in 2004 and 2005, the ``Best Paper Award'' of ICWE'04 and IEEE IPDPS'05.