He received his PhD in computer science in 2000 from Purdue University. Before joining Ewha, he was a postdoctoral research fellow in the Department of Computer Science at the University of North Carolina at Chapel Hill. His research interests include interactive computer graphics, computer games, robotics, haptics, and geometric modeling. He has published more than 50 papers in leading conferences and journals in these fields. He also received the best paper awards at the ACM Solid Modeling Conference in 2003 and the International CAD Conference in 2008, and the best poster award at the Geometric Modeling and Processing conference in 2006. He was selected as best research faculty of Ewha in 2008, and received the outstanding research cases award from Korean research foundation in 2008.