Koichiro Hayashi, Ph.D., LL.D.
Professor, Institute of Information Security
After graduating from the Law Department of the University of Tokyo, Mr. Hayashi entered Nippon Telegraph and Telephone Public Corporation (the current NTT Group).After privatization he served as General Manager of NTT’s Leased Circuit Department. He was then transferred to the U.S. to become a President of NTT America, Inc., at which time he also served as a director of Nextel Communications, Inc.. While working in the NTTGroup, he gave lectures at Hitotsubashi University, Waseda University, University of Tokyo as a part-time instructor. After his retirement from NTT, Mr. Hayashi served as a professor of the Institute for Media and Communications Research at Keio University. In 2004 he become a professor at the Institute of Information Security, where he subsequently served as President between 2009 and 2011.