Articles (in French) for the maths popularization magazine Tangente :
Le Théorème de Poincaré-Perelman
Le Théorème des Graphes Parfaits
Quand le Hasard Crée des Certitudes
Les Testeurs de Propriété
Classes de Complexité
Slides from popularization conferences :
De Poincaré à Perelman (with Animaths, with whom I sometimes give conferences)
Reconnaissance de Triangles (for the 2015 Prologin final)
Baker-Gill-Solovay (at ENS Paris)
I sometimes participate in the Parimaths program, teaching students mathematics at ENS on Saturday afternoons : Parimaths website.
I organized a spring school in Prishtina, Kosovo with Animaths.