Didier Deleule, Professor Emeritus of Philosophy at the Université de Paris Ouest Nanterre-La Défense and President of the Société Française de Philosophie.
In 1966 he obtained the agrégation in philosophy. He defended his doctoral thesis (Hume and the birth of economic liberalism) at the University of Paris-Nanterre on February, 1979 (unanimously very honorable mention). He began his university career as a philosophy assistant at the Faculty of Letters and Human Sciences of Besançon in 1968.
Then he was assistant professor of philosophy at the University of Franche-Comté until 1981.
He was appointed professor at the University of Rennes 1 in 1981.
In 1984, he joined the University of Paris-Nanterre as a professor of comparative philosophy in social sciences, where he became professor emeritus. President of the French Philosophy Society and director of the Revue de métaphysique et de morale, he participated in the creation of the Cités review, alongside Yves Charles Zarka and Frank Lessay.
He was a member of the steering committee of the International Federation of Philosophical Societies (FISP) from 2008 to 2018.