Later, served as Head of China Business Division, Head of IT Audit Division, Office Managing Partner in Tokyo, among others
Assumed the position of Executive Fellow
Auditor, Japan-China Economic Association (2019-)
Advisor, LEXER RESEARCH Inc. (2020-)
Advisor, Organic Rice Design Co., Ltd. (2020-)
Advisor, High School Parliamentary Debate Union of Japan (2020-)
Outside Audit & Supervisory Board Member, Integral Geometry Science Co., Ltd. (2021-)
Auditor, Wa Culture Promotion Project (2021-)
Auditor, Norinchukin Bank (2021-)
Special Advisor, Ichiryu Associates, Inc. (2021-)
Financial Expert, Gama Expert Co., Ltd. (2021-)
Outside Director, Doctorbook Co., Ltd. (2022-)
Auditor, Japan Future Building Research Institute (2023-)
Representative, Sakai & Partners (2023-)
Outside Audit & Supervisory Board Member, Media House Holdings Co., Ltd. (2023-)
Outside Director, Kei Ai Star Real Estate Co., Ltd. (2023-)