Apr. 1979
Joined Chuo Audit Corporation

Jun. 1981
Registered as a certified public accountant

Sep. 1990
Appointed Partner of Chuo Audit Corporation

Jul. 1998
Appointed Senior Partner of Chuo Audit Corporation

May. 2005
Appointed Head of Audit Division of ChuoAoyama Audit Corporation

Aug. 2007
Appointed Managing Director of Ernst & Young ShinNihon
（currently, Ernst & Young ShinNihon LLC）

Aug. 2010
Appointed Senior Partner of Ernst & Young ShinNihon（currently, Ernst & Young ShinNihon LLC）

Jun. 2019
Appointed Representative of Takashi Nagasaka CPA Office（current position）

Jun. 2019
Appointed Outside Director of Contec Co., Ltd.

Jun. 2019
Appointed Outside Auditor of Tokushu Tokai Paper Co., Ltd.

Jan. 2020
Appointed Outside Director of PARK24 Co., Ltd.

May. 2020
Appointed Outside Director of the Company
（current position）

Jun. 2022
Appointed Outside Director of Tokushu Tokai Paper Co., Ltd.

Nov. 2022
Appointed Outside Director and Independent Officer and Audit and Supervisory Committee Member of PARK24 Co., Ltd.
（current position）

Jun. 2023
Appointed Outside Director and Independent Officer, and Audit and Supervisory Committee Member of Tokushu Tokai Paper Co., Ltd.
（current position）