JungHyun Han is a professor of the Department of Computer Science and Engineering at Korea University, where he directs the Interactive 3D Media Laboratory. Prior to joining Korea University, he was a faculty member of Sungkyunkwan University in Korea, and a researcher of US Department of Commerce National Institute of Standards and Technology (NIST). He served as the director of the Game Technology Center supported by the Korea Ministry of Commerce, Industry and Energy for the period of 2001-2004, and has been the director of the Game Research Center supported by the Korea Ministry of Culture and Tourism since 2004. His research interests lie in 3D graphics and game, and he has been involved in a variety of game development projects. Dr. Han received a BS from Seoul National University, an MS degree from the University of Cincinnati, and a PhD degree from the University of Southern California.