Kotaro Shiojiri

Kotaro Shiojiri is a nonresident fellow with Hudson Institute’s Japan Chair. His work focuses on the legal and strategic dimensions of trade, national security, and multilateral economic governance. His research examines the interplay between international law and state practice, with particular attention to the World Trade Organization, national security, and the evolution of the global economic system. He writes and speaks on issues related to trade law, economic security policy, and Japan’s foreign relations.

From 2009 to 2019, Dr. Shiojiri served in the Ministry of Foreign Affairs of Japan, where he held several positions including chief of staff to the ambassador of Japan to the United States, officer in the G8/G20 Summit Office, and officer in the Economic Policy Division of the Economic Affairs Bureau. He is the recipient of the University of Tokyo President’s Award.

Dr. Shiojiri received his BA in law, MA in international studies, and PhD in public policy from the University of Tokyo. He received his LLM from Harvard Law School. His doctoral research examined the indeterminacy of Article XXI of the General Agreement on Tariffs and Trade (GATT) 1994, the WTO's national security exception.