Koichi Inoue is a member of the tax group of Jones Day in Tokyo. He has practiced in the field of international transactions, investments, and dispute resolutions, with primary emphasis on Japanese tax law for more than 30 years. He is listed as Band 1 (Japan, tax: domestic) in Chambers Asia -Pacific and one of Tier 1 leading individuals (Japan, lax) in The Legal 500 Asia Pacific. He regularly writes and lectures on fax and related subjects. He is a co-author of Taxation of International Transactions and Overseas investments (2019) and The Interrelation between Tax Treaties and Domestic Tax Law (2nd ed. 2011). He also has served as a lecturer at Aoyama Business Law Graduate School.