Ryuji Kohno received the B.E. and M.E. degrees in computer engineering from Yokohama National Univ.(YNU) in 1979 and 1981, respectively and the Ph.D. degree in electrical engineering from the Univ. of Tokyo in 1984. Since 1998 he has been a Professor in YNU. During 1984-1985 he was a Visiting Scientist in Dept.EE, Univ. of Toronto. Since 2007, he is also a Finnish Distinguished Professor (FiDiPro) in Univ. of Oulu, Finland. Moreover, he was also a director of SONY ATL during 1998-2002 and was a director of the UWB Tech. Inst. during 2002-2006, currently a program coordinator of  Medical ICT Inst. of National Institute of Information and Communications Technology (NICT), and a principal leader of MEXT 21st century COE program on ”Creation of Future Social Infrastructure Based on ICT” during 2002-2007 and is currently a principal leader of MEXT Global COE program on “Innovative Integration between Medicine and Engineering Based on ICT,” during 2008-2013 as well as a director of Medical ICT Center in YNU. Prof. Kohno was elected to be a BoG member of the IEEE Information Theory Society three times on 2000, 2002, and 2006. He was an editor of the IEEE Trans. Information Theory during 1995-1998, currently is that of the IEEE Trans. Communications since 1994 and that of the IEEE Trans. Intelligent Transport Systems since 2000. He is a fellow of IEICE (Institute of Electronics, Information, Communications Engineers), and was a vice-president of Engineering Sciences Society of IEICE, an editor-in chief of the IEICE Trans. Fundamentals and also the vice-president of SITA (Society of Information Theory and its Applications). Prof. Kohno has contributed for organizing many international conferences, such as a TPC co-chair of the IEEE ISSSTA'92, PIMRC'93, Information Theory Workshop (ITW'93), PIMRC'99, IWUWBS’03, and a general chair of IEEE  ISIT’03, UWBST&IWUWB’04, IWUWBST’05, ISMICT’06&07, ISSSTA&ISITA2010 and so on. He is also a chair of International Steering Committee of ISSSTA. He was awarded　IEICE Greatest Contribution Award and NTT DoCoMo Mobile Science Award in 1999 and 2002, respectively.