Dun Liu received his B.S. degree and Ph.D. degree from the Southwest Jiaotong University, China in 2005 and 2011, respectively. He was a visiting Ph.D student at University of Regina, Canada in 2009. And, he is presently a Professor in School of Economics and Management, Southwest Jiaotong University, China. He was also a postdoctor researcher in School of Economics and Management, Tsinghua University. During 2016 to 2017, he was a research visiting scholar at Carnegie Mellon University, USA. His research interests include Data Mining and Knowledge Discovery, Rough Sets, Granular Computing, Decision Support Systems and Management Information System. Since 2005, he has published over 150 research papers high quality in refereed journals and conferences such as IEEE TFS, IEEE SMC-A, INS, IJAR, JOGO, KBS, IJCIS, IJUFKBS, FI; including 50+ SCI indexed papers, 3 ESI hot paper and 14 ESI highly cited papers. He has served as ISKE2009, RSKT2011-RSKT2015 session Chair, JRS2016 Workshop chair, JRS2017 PC Chair. He is a member of ACM and IEEE, a senior member of IRSS and a senior member of China Computer Federation. He is an Editorial Review Board of the "International Journal of Rough Sets and Data Analysis". He serves as a reviewer of more than 20 SCI indexed international journals.