Lecturer at the University of Paris II Panthéon-Assas. Teaches philosophy and political science. Regular contributor to Commentaire, columnist for the magazine Ukrainski Tyzhden. His work focuses on the history of totalitarianism and the exits of totalitarianism. He has notably published: Naissances du totalitarisme (Paris, Cerf, 2011), Exercices d’humanité. Entretiens avec Vincent Descombes (Paris, Pocket Agora, 2020).