Masamitsu Koshiba

M&A Tax Services Private Company Services

Deloitte Tohmatsu Tax Co. Partner

Masamitsu Koshiba

Shin-Tokyo Building, 3-3-1 Marunouchi, Chiyoda-ku

Shin-Tokyo Building


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Certified Public Accountants
Masamitsu is a tax partner engaged in the M&A 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 over 16 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