Massachusetts Institute of Technology | ATP International Series | International Monetary Fund | International Red Cross and Red Crescent Movement | ATP International Series Gold | International Space Station | Amnesty International | California Institute of Technology | International Olympic Committee | Art Institute of Chicago | BirdLife International | International Finance Corporation | Institute for Advanced Study | International Organization for Standardization | American Institute of Architects | International Telecommunication Union | International Criminal Court | One Day International | International Nonproprietary Name | International Labour Organization | Georgia Institute of Technology | International Civil Aviation Organization | International Boxing Federation | Toronto International Film Festival | International Atomic Energy Agency | International Maritime Organization | International Development Association | John F. Kennedy International Airport | Los Angeles International Airport | International Bank for Reconstruction and Development |
He has served as a visiting lecturer in International Law at the Faculty of Law, University of Colombo, Bandaranaike International Diplomatic Training Institute and at the General Sir John Kotelawala Defence University.