CHARLES GUÉRIN is Professor of Latin Literature at Sorbonne Université, Paris. He has published monographs on the rhetorical notion of persona (2009, 2011) and on witness testimony in the Roman courts of the first century BC (La Voix de la verité, 2015). In addition he has edited and co-edited several volumes on ancient rhetoric, oratory, declamation, and literature. He serves on the executive committee of L'Année Philologique.