He is currently a full professor of computer science at Beijing University of Technology. He obtained his Ph.D. in Information and Communication Engineering at Beijing University of Posts and Telecommunications in 2007. He is directing the Data Mining & Security Lab (DMSLab). His research interests are in machine learning, data mining, social computing, information security and privacy, secure machine learning and inference, and trusted computing. He headed more than five national and provincial research programs. He is the (co-)author of more than 20 papers, which have been published on important international and domestic scientific journals and conferences. He is a(n) senior member of Chinese Institute of Electronics, member of IEEE, ACM, IEICE, China Computer Federation, Chinese Society of Image and Graphics, Chinese Association for Cryptologic Research.