Member of the Industrial Structure Council (Economic Cooperation Committee), Ministry of International Trade and Industry (1995-1996)
Member of the PFI (Private Finance Initiative) Promotion Committee, Cabinet Office (1999-2009)
Member of the Assessment Committee for Proposed Investee Companies for Business Turnaround Business, Organization for Small & Medium Enterprises and Regional Innovation, Japan (2003-2007)
Member of the Sports Promotion Subsidy Assessment Committee, Japan Sport Council (2004-2014)
Lecturer at Sophia Law School (2005-)
Member of the Assessment Committee for Proposed Investee Companies for Fund Investment Business, Organization for Small & Medium Enterprises and Regional Innovation, Japan (2007-)
Chairperson of the Examination Committee for Debt Guarantee for Facilitation of Business Turnaround, Organization for Small & Medium Enterprises and Regional Innovation, Japan (2007-)
Member of the Special Committee for the Sports Promotion Lottery, Sports/Youth Subcommittee of Central Council for Education, Ministry of Education, Culture, Sports, Science and Technology (2008)
Member of the Japan-Australia Business Co-operation Committee (2009-)
Member of the Expert Panel on PFI Research for Quasi-Zenith Satellite System, Cabinet Office (2013-)
Member (currently Deputy Chairperson) of the Examination Board for Strengthening of Financial Function, Financial Services Agency (2016-)
Chairperson of the Forum for Policy Research Institute for Land, Infrastructure, Transport and Tourism, Ministry of Land, Infrastructure, Transport and Tourism (2016-2018)
Member of the Examination Committee on Hub Development for Cruise Port via Public-Private Partnership, Ports and Harbours Bureau, Ministry of Land, Infrastructure, Transport and Tourism (2016-2018)
Member of the Expert Committee for Evaluation, Etc. by National Institution for Academic Degrees and Quality Enhancement of Higher Education, Ministry of Education, Culture, Sports, Science and Technology (2017-)
Member of the Association for Planning and Transportation Studies (2018-)

Bar Admissions

admitted in Japan, 1981
Daini Tokyo Bar Association