Professor emeritus at the University of Paris, member of the Institut de mathématiques de Jussieu-Paris rive gauche.
Research area: Riemann surfaces, Representations of p-adic reductive groups.
Médaille Albert Châtelet, Silver Medal of the CNRS, Humboldt Prize, Petit d'Ormoy Prize of the Académie des Sciences de Paris.
Invited speaker at the European Congress of Mathematics (Barcelona, 2000)
Invited speaker at the International Congress of Mathematics (Beijing, 2002)
2022 ICM Noether Lecturer