Sylvain Lesage is associate professor in history at the University of Lille, and editor-in-chief of the journal Neuvième Art, published by the Cité internationale de la bande dessinée in Angoulême.
He specializes in book history and media studies, with a particular interest in comics. His PhD dissertation provided the material for two books: Publier la bande dessinée. Les éditeurs franco-belges et l'album (Presses de l’Enssib, 2018) and L’Effet livre : métamorphoses de la bande dessinée (Presses universitaires François-Rabelais, 2019).