Dr. Hamer is board certified in Internal Medicine and Infectious Diseases with a deep interest in tropical diseases. He is currently the Director of Research and Evaluation at the Zambia Center for Applied Health Research and Development (ZCAHRD) in Lusaka, Zambia and is affiliated with the Center for Global Health and Development at Boston University. Dr. Hamer is a Professor of International Health and Medicine at the Boston University Schools of Public Health and Medicine. Much of his current research focuses on testing practical, policy-relevant interventions to reduce maternal, newborn, and child mortality in resource-limited countries. From 1990 to 2004, he was Associate Professor of Medicine and Nutrition at Tufts University School of Medicine and spent ten years functioning as the Director of the Traveler's Health Services at New England Medical Center. He also served as the Associate Director of the Infectious Diseases Center at the New England Medical Center. From 1996 to 2000, Dr. Hamer worked as a medical consultant and medical director for the Stone and Webster Engineering Corporation. This position afforded him the opportunity to assess local and regional medical facilities and evacuation services internationally. From 2005-2011, Dr. Hamer served as the Director of the Boston Medical Center Travel Clinic. From 2011-2012 he served as the President of the Clinical Group for the American Society of Tropical Medicine and Hygiene and he currently is on the Executive Board of the International Society of Travel Medicine.