People
Masamitsu Koshiba
International Tax and M&A Leader
Deloitte Tohmatsu Tax Co. Partner
Certified Public Accountant
Masamitsu is a tax partner in the International Tax and M&A 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.