Prof. Dr. Hee-Jun Kang received his B.S. degree in Mechanical Engineering from Seoul National University, Korea, in 1985. He received his M.S. and Ph.D. degrees in Mechanical Engineering from The University of Texas at Austin, USA, in 1988 and 1991, respectively. Since March 1992, he has been a Professor of Electrical Engineering at the University of Ulsan. His current research interests are sensor-based robotic applications, robot calibration, haptics, robot fault diagnosis, and mechanism analysis.