He received his Ph.D. of Computer Science from Hong Kong University of Science and Technology in 2007. His work focuses on wireless network, mobile computing, and security. He was the winner of Hong Kong ICT Awards - Best Innovation & Research Award (Silver Award). He is the PI of several important projects, including HongKong ITF, NSFC’s Key and general programs, etc. He has published over 40 innovative works in highly ranked journals (TON, TMC, TKDE, etc.) and top-tier conference proceedings (ACM CCS, UbiComp, Sensys, IEEE INFOCOM, ICNP, etc.) He is an IEEE senior member and an ACM senior member.<?xml:namespace prefix = "o" ns = "urn:schemas-microsoft-com:office:office" />