Professor, School of Commerce, Waseda University. Graduated from the School of Science and Engineering, Waseda University. Certified Public Accountant.

April 1981 Joined Citibank, N.A. Tokyo Branch

July 2001: Representative Partner, ChuoAoyama Audit Corporation

September 2006 Representative Partner, PricewaterhouseCoopers Aarata (now PwC Aarata LLC)

Member of the Council on International Ethical Standards for Accountants, International Federation of Accountants (FICPA), January 2008

July 2016 President (currently Advisor) of the Japanese Institute of Certified Public Accountants

January 2019 Member, Nominating Committee, International Federation of Accountants (current position)

October 2020 Council Member, International Valuation Standards Council (current position)

Currently Director of ORIX Corporation, Auditor of Sumitomo Science and Technology Corporation, Auditor of IHI Corporation