Dr. Ariel Pablos-Méndez is Professor of Medicine at Columbia University Irving Medical Center where he was a fellow working on MDRTB in NY and around the world. He also worked as Director of Knowledge Management at WHO (Geneva, CH) and Managing Director for International Health at The Rockefeller Foundation (New York, NY). In 2011, Dr. Pablos was appointed by President Obama (with US Senate consent) to lead USAID's bureau for Global Health. Dr. Pablos is a board-certified internist with over 100 publications, and has served in various boards and international commissions. He received his MD from the University of Guadalajara's School of Medicine and his MPH from Columbia University.