He received his Ph.D. in Computer Science from HIT in 2003 and his M.A. in Applied Linguistics in 1996. He is the member of NLP TC of CCF, and CL/IR/HealthBio TC of CIPSC. He has served on the editorial board of Journal of Chinese Information Process, and the PC of CWMT 2016, area (co-)chair of NLP-CC 2015, and several PC members of ACL and IJCAI. His research interests include machine translation, information retrieval and question answering system. His group ranks top in the automatic evaluation metric track of WMT 2010, as well as the micro-blog track in TREC 2013.