Masamitsu Koshiba

International Tax

Deloitte Tohmatsu Tax Co. Partner

Masamitsu Koshiba

Marunouchi Nijubashi Building

3-2-3 Marunouchi, Chiyoda-ku



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Certified Public Accountants
Maasamitsu is a tax partner in the Global Tax Services of Deloitte Tohmatsu Tax. Co. After graduating from university, he started his professional career as an auditor at Deloitte Touché Tohmatsu LLC and joined Deloitte Tohmatsu Tax Co in 2002. He has many years of professional experience including a 4-year assignment in the Netherlands, and has focused on M&A transaction tax services for both Japanese and foreign multinational clients.

Masamitsu Koshiba