LL.B. (Kyoto), LL.M. (Kyoto), Docteur en droit (Paris II). Professor of the Law of International Organizations, Graduate School of Law, Kyoto University. Professeur invité, Paris I (2009) and Sciences Po de Paris (2012). Senior Fellow, Centre for International Governance and Innovation, Ottawa (2015- ). Counsel and Advocate for the Japanese Government in Whaling in the Antarctica (ICJ, Australia v. Japan, New Zealand intervening, 2010-), Hoshinmaru (ITLOS, Japan v. Russia, 2007), and Tomimaru (ITLOS, Japan v. Russia, 2007). Assistant for the Spanish Government in Fisheries Jurisdiction (ICJ, Spain v. Canada, 1997-98).Japanese Representative to the UNCITRAL WG II (Arbitration/Conciliation) (2010-) and to the OECD Investment Committee (2011). Arbitrator, Japan Sports Arbitration Agency (2008-). Fields of research: theory of international law, international dispute settlement, law of the sea, international investment law, international sports law, and institutional law of the European Union.