Yasutada Oohama (M’03) was born in Tokyo, Japan, in 1963. He received the B.Eng., M.Eng., and D.Eng. degrees in mathematical engineering in 1987, 1989, and 1992, respectively, from University of Tokyo, Tokyo, Japan. From 1992 to Sept. 2006, he was with Kyushu University, Fukuoka, Japan. From Oct. 2006-2010, he was with The University of Tokushima, Tokushima, Japan. Since 2011, he has been with The University of Electro-Communications, Tokyo, Japan. He is currently a professor with the Department of Communication Engineering and Informatics. From September 1996 to March 1997, he was a visiting scholar with the Information Systems Laboratory, Stanford University, Stanford CA. His current research interest includes basic problems in information theory and related areas.