Itiro Siio is a Professor in the Faculty of Science at the Ochanomizu University. Prior to his current position, he worked 8 years in the Faculty of Engineering at Tamagawa University, serving concurrently as 1 year visiting researcher at Georgia Institute of Technology, after spending 13 years at IBM Research, Tokyo Research Laboratory. He received his Ph.D. degree in Engineering from Tokyo Institute of Technology in 1984. His recent focus is on applications of ubiquitous computing in everyday life.