Koichi Ai joined Japanese Ministry of Foreign Affairs in 1989 and has been posted to Washington, D.C., Ottawa, Jakarta, and New York. Foreign Ministry positions he has held include: Counsel for Treaties Negotiation; Director, Ocean Affairs; Director, Policy Planning; and Director, International Economy. He assumed the present position at JIIA in July 2017.

Mr. Ai studied law at the University of Tokyo and subsequently earned his master’s degree from the Fletcher School of Law and Diplomacy. He holds private pilot license and is a scuba diving instructor.