Dr. Norio SHIRATORI received Ph.D. degree in engineering from Tohoku University in 1977. In the same year, he joined the Research Institute of Electrical Communication (RIEC), Tohoku University as Assistant Professor (Apr.1977 to Oct.1984). In 1984, he became Associate Professor, RIEC (Nov.1984 to June 1990), and Professor, School of Information Engineering, Tohoku University in 1990(Apr.1990-Mar.1993). In 1993, he returned to RIEC as Professor (Apr.1993-Mar.2010). After he retired from Tohoku University in 2010, he has been Emeritus Professor of Tohoku University. Also, he was Visiting Professor of Tohoku University (2010-2015), and an Executive Board Member of Future University Hakodate (2010-2014), Japan. In 2012, as a Professor, he moved to the GITS (Graduate School of Global Information and Telecommunication Studies), Waseda University (2012-2015), Japan. From 2015 to 2017, he worked as a Visiting Professor of the Faculty of Science and Engineering, Waseda University. Currently, he is Professor of Chuo University, Japan (Apr.2014-Present).

As additional positions, he served as a Visiting Professor, UCLA (University of California, Los Angeles), U.S.A. (July 1997-Aug.1997), and RDI Professor / Visiting Researcher, Research and Development Initiative (RDI), Chuo University (Apr.2011-Mar.2012), and Research Fellow of NICT (National Institute of Information and Communications Technology) Resilient ICT Research Center, Japan.