He got his Ph.D degree on 2006 at Beihang University. Now he is the vice dean of School of Computer Science, Beihang University. He is elected as the Vice Chair of the Academic Committee of YOCSEF, and member of System Software Technical Committee of CCF. He is also serving for W3C China to promote the web standards in China. His research interests are distributed systems, software middleware, system virtualization and resource scheduling in cloud systems.