About Us
Leadership Team / Directors & Senior Management
- Audit & Supervisory Board Members
Yuko Tamai
- 1994
- April
- Joined Nagashima & Ohno (currently Nagashima Ohno & Tsunematsu)
- 2000
- September
- Worked at Covington & Burling LLP, Washington, D.C.
- 2003
- January
- Partner, Nagashima Ohno & Tsunematsu (current position)
- 2018
- November
- Member of the Fair M&A Study Group at the Ministry of Economy, Trade and Industry (METI)
- 2019
- April
- Commissioner (part-time) of Certified Public Accountants and Auditing Oversight Board (current position)
- 2022
- June
- External Audit & Supervisory Board Member of Mitsui & Co., Ltd. (current position)
- 2025
- April
- Outside Audit & Supervisory Board Member of Sekisui House, Ltd. (current position)



