Motoyuki Sato received the B.E., M.E., and Dr.Eng. degrees in information engineering in 1980, 1982, and 1985, respectively, all from Tohoku University, Sendai, Japan. He is currently a Professor at the Center for Northeast Asian Studies, Tohoku University. He joined the Faculty of Engineering, Tohoku University, in 1985. From 1988 to 1989, he was a Visiting Researcher with the Federal Institute for Geoscience and Natural Resources (BGR), Hannover, Germany. His current interests include transient electromagnetics and antennas, radar polarimetry, ground-penetrating radar, landmine detection, borehole radar, electromagnetic logging, and interferometric and polarimetrtic synthetic aperture radar. Dr. Sato has served as Technical Chairman of the 6th International Conference on Ground Penetrating Radar (GPR’96). He was awarded the IEICE (Institute of Electronics, Information, Communication Engineers) Young Engineer’s Award in 1984, the SPWLA (Society of Professional Well Log Analysts) Best Poster Award in 1994, and the SEG-J (Society of Exploration Geophysicists-Japan) Best Award in 1999. He is Vice-Chair of the IEEE-GRSS Japan Chapter.