Doctor of Philosophy, Korea Advanced Institute of Science and Technology, 2001.
Visiting researcher Korea Advanced Institute of Science and Technology, Seoul, 2001—2002. Professor Dongguk University, Republic of Korea, since 2003. Associate editor Journal Fuzzy Logic and Intelligent Systems, since 2006, Journal Intelligent Information Systems, 2006—2007, Journal Information Processing Systems, since 2007.
Managing editor Journal Management Information System Research, since 2007.