Didier Fassin is James Wolfensohn Professor of Social Science at the Institute for Advanced Study and a Director of Studies at the Ecole des Hautes Etudes en Sciences Sociales. An anthropologist, sociologist and physician, he has conducted ethnographic research in Senegal, South Africa, Ecuador, and France. Former vice-president of Medecins Sans Frontieres, he is currently President of the French Medical Committee for Exiles. The author of 15 books and the editor of 21 volumes, he has published more than 200 scientific articles. Laureate of an Advanced Grant from the European Research Council, he received the Gold Medal awarded every 3 years to an anthropologist at the Swedish Royal Academy of Sciences.