Dr. Michael Libman is director of the J.D. MacLean Centre for Tropical Medicine at McGill. His research focuses on the epidemiology of imported infections, and he is a lead researcher of the GeoSentinel surveillance network project, a worldwide consortium of clinics and experts in the area of travel and tropical medicine. He is chair of the Committee to Advise on Tropical Medicine and Travel (CATMAT), an advisory committee to the Public Health Agency of Canada.