Nicolas Dodier is a sociologist, director of research at the Institut national de la santé et de la recherche médicale (INSERM) and director of studies at the École des hautes études en sciences sociales (EHESS). His previous research were focused on the working world (Les hommes et les machines, 1995), the medical world (L'expertise médicale, 1993; Leçons politiques de l'épidémie de sida, 2003), and the different ways of reparation for collective disasters (with Janine Barbot: Des victimes en procès, 2023 in press). More recently, he has launched a survey on humanitarian medicine.