Professor, Faculty of Environment and Information Studies
He received his Ph.D. in Computer Science, Keio University in 1987, majored in Computer Science, Computer Network and Computer Communication. He developed the Japan University UNIX Network (JUNET) in 1984, established WIDE Project in 1988, aiming to research and develop the computer networks.
He is a member of the Strategic Headquarters for the Promotion of an Advanced Information and Telecommunications Network Society (IT Strategic Headquarters), a member of the Cyber Security Policy Council, National center of Incident readiness and Strategy for Cybersecurity(NISC), Cabinet Secretariat, chairs and serves on many other governmental committees, and is active in numerous international scientific associations. He is known as the "Internet samurai" and, in Japan has also been called "the father of the Internet in Japan".
He was a Member of Internet Architecture Board (IAB) from 1993-1995, Board of trustee of Internet Society (ISOC) from 1997-2000, Board of Director of the Internet Corporation for Assigned Names and Numbers (ICANN) from1998-2000. He was inducted into The 2013 Internet Hall of Fame (Pioneer)/ 2011 IEEE Internet Award / 2005 Jonathan B. Postel Service Award.