Young Soo Suh (M'90) received the B.S. and M.S. degrees from the Department of Control and Instrumentation Engineering, Seoul National University, Seoul, South Korea, in 1990 and 1992, respectively, and the Ph.D. degree from the Department of Mathematical Engineering and Information Physics, University of Tokyo, Tokyo, Japan, in 1997. He is currently a Professor with the Department of Electrical Engineering, University of Ulsan, Ulsan, South Korea. His current research interests include attitude estimation and personal navigation systems.