Director

August 1984
Assistant at Information Processing Center of Tokyo Institute of Technology

March 1987
Received Ph. D in Engineering from Keio University

April 1987
Assistant at Large-scale Computer Center of the University of Tokyo (currently Information Technology Center, the University of Tokyo)

April 1990
Associate Professor of Faculty of Environment and Information Studies of Keio University

April 1997
Professor of Faculty of Environment and Information Studies of Keio University

May 2005
Vice-President of Keio Gijuku Educational Corporation

October 2009
Professor of Faculty of Environment and Information Studies of Keio University

September 2011
Outside Director of BroadBand Tower, Inc. (current position)

March 2012
Outside Director of the Company (current position)

October 2017
Dean of the Graduate School of Media and Governance of Keio University

June 2018
Outside Director of LAC Co., Ltd. (current position)

April 2020
Professor of Keio University (current position)

October 2020
Special Advisor to the Cabinet (current position)

September 2021
Advisor to the Digital Agency (current position)

October 2022
Director of World Wide Web Consortium, Inc. (current position)

July 2023
Advisor of The International House of Japan, Inc. (current position)