LL.M. (Kyoto University, 1989), B.A. (Kyoto University, 1987)

Professor of International Law, Kyoto University (2005-present), Professor of International Law, Kobe University (2002-2005), Special Researcher, the Japanese Embassy in the Netherlands (2000-2002), PSIO Fellow, Graduate Institute of International Studies, Geneva (1996-1998), Associate Professor, Kobe University (1993-2002), Research Assistant, Kyoto University (1992-1993)
Secretary, Japanese Society of International Law (2014-2016); Associate Editor, Japanese Yearbook of International Law (2010-present); Member, the Planning Committee, International Law Association, Japanese Branch (2006-present)

⋅‘After the Whaling in the Antarctic Judgment: Its Lessons and Prospects from a Japanese Perspective’, Malgosia Fitzmaurice & Dai Tamada (eds.), Whaling in the Antarctic: The ICJ Judgment and its Implications (Brill, 2016), pp.308-345.
⋅‘New Relationship between the United Nations and Regional Organizations in Peace and Security: A Case of the African Union’, in Shotaro Hamamoto, Hironobu Sakai & Akiho Shibata (eds.), “L’être situé”, Effectiveness and Purposes of International Law, Essays in Honour of Professor Ryuichi Ida (Brill, 2015), pp.165-189.
⋅‘La bonne administration de la justice in the Incidental Proceedings of the International Court of Justice’, Japanese Yearbook of International Law, Vol.55 (2012), pp.110-133.
⋅‘New Developments of the Orders on Provisional Measures by the International Court of Justice’, Japanese Yearbook of International Law, Vol.52 (2009), pp.231-280.
⋅‘Legitimization of Measures to Secure Effectiveness in UN Peacekeeping: The Role of Chapter VII of the UN Charter’, in Teruo Komori & Karel Wellens (eds.), Public Interest Rules of International Law. Towards Effective Implementation (Ashgate, 2009), pp.119-139.
⋅‘‘As if’ Acting under Chapter VII of the UN Charter? : Rigidity of the Threshold between Chapter VII and non Chapter VII’, Asian Yearbook of International Law, Vol.13 (2007), pp.103-125.