Association football | association football | Forward (association football) | ATP International Series | Goalkeeper (association football) | Defender (association football) | National Basketball Association | International Monetary Fund | Physics | American Association for the Advancement of Science | International Red Cross and Red Crescent Movement | ATP International Series Gold | International Space Station | Association of Tennis Professionals | Amnesty International | American Library Association | International Olympic Committee | World Boxing Association | physics | National Collegiate Athletic Association | BirdLife International | American Association | International Finance Corporation | American Heart Association | International Organization for Standardization | International Telecommunication Union | International Criminal Court | One Day International | International Nonproprietary Name | International Labour Organization |
He was Vice-President of the International Association of Mathematical Physics 2000–2005 and Editor-in-Chief of Reviews in Mathematical Physics 2006-2010.