ATP International Series | Bachelor of Science | International Monetary Fund | National Science Foundation | American Association for the Advancement of Science | International Red Cross and Red Crescent Movement | ATP International Series Gold | International Space Station | Amnesty International | International Olympic Committee | BirdLife International | International Finance Corporation | political science | Master of Science | International Organization for Standardization | Science | International Telecommunication Union | International Criminal Court | Computer Science | One Day International | International Nonproprietary Name | International Labour Organization | English studies | International Civil Aviation Organization | International Boxing Federation | Toronto International Film Festival | International Atomic Energy Agency | computer science | International Maritime Organization | International Development Association |
He is also a member of the American Association for the Advancement of Science, American Institute for Biological Sciences, American Society of Naturalists, East African Wildlife Society, Ecological Society of America, the Western Indian Ocean Marine Science Association, and the International Science for Reef Studies.