Society of Jesus | Royal Society | Harvard Medical School | National Geographic Society | United States Army Air Forces | Israel Defense Forces | American Cancer Society | Canadian Forces | British Armed Forces | United States Armed Forces | American Medical Association | Royal Television Society | American Physical Society | Royal Army Medical Corps | American Chemical Society | International Society for Krishna Consciousness | American Society of Civil Engineers | Royal Society of Canada | medical | Royal Geographical Society | American Philosophical Society | Theosophical Society | Royal Society of Edinburgh | Society of Antiquaries of London | American Forces Network | Society of the Cincinnati | Society for the Prevention of Cruelty to Animals | Justice Society of America | American Mathematical Society | Royal Aeronautical Society |
He also held leadership positions at the National Institutes of Health, the Centers for Disease Control and Prevention, the Food and Drug Administration, the National Library of Medicine, the National Science Foundation, the Institute of Medicine, the American College of Physicians, the Association of American Medical Colleges and the Society of Medical Consultants to the Armed Forces.