Grégoire Darcy is a graduate of the École Normale Supérieure and a doctoral student in cognitive science at the Jean Nicod Institute (ENS-PSL, EHESS, CNRS). His research focuses on the formation of moral and political beliefs and preferences, on trust, and on the often-erroneous way in which we perceive what others think. He is notably the author of "La Désinformation" (La Découverte, “Repères” series, 2026).