Served as Judge, International Criminal Court at The Hague (2015-21). Presiding Judge in the first ICC trial on the war crime of attacking religious and historical heritage. Sat in cases involving child soldiers and forced marriages. Member, Permanent Court of Arbitration (The Hague). Judge, Asian Development Bank Administrative Tribunal (Manila). Elected to the Institut de Droit International (2021). LLM (1986), SJD (1990), Harvard. Diploma, The Hague Academy of International Law (1987). Professor of Law (since 1984) and Law Dean (1999-2005), University of the Philippines. Asian Public Intellectual Fellowship, Nippon Foundation (2012). Visiting appointments at Harvard and the universities of Melbourne, Hong Kong, Puerto Rico. Lectured at the Hague Academy of International Law, International Committee of the Red Cross, and U.N. Audio-Visual Audiovisual Library of International Law.
Author: (forthcoming, BRILL Nijhoff, 2021) (https://brill.com/view/title/60849).