He is a Fellow of the U.K. Royal Society, the Royal College of Pathologists, the U.K. Academy of Medicine and The American Institute for Medical and Biological Engineering (AIMBE), a member of EU Academy of Sciences, the Council for Foreign Relations and the US Academy of Medicine Forum on Global Health. He served as a member of the Defense Science Board of the U.S. Department of Defense and currently serves on advisory committees for several U.S. government agencies in defense, intelligence, national security and healthcare and is an Ex-Officio Member of the Bipartisan Commission on Biodefense.