Agnès Sulem is the first violin of the Rosamonde Quartet since its creation in 1981. She is music chamber professor at the National Conservatory of Music and Dance of Lyon since 2012.

The Rosamonde Quartet won many awards  from international competitions : International competion of Evian, First price of International competion of the european radio union at Salzbourg et the Quartet have an international career.

The Rosamonde Quartet has recorded more than 30 Cds and DVDs : Viennese classics and contempory creation for the Harmonia Mundi, Arion, Fuga Libera, ZigZag territories, Transart, Jade Editions, Opus Collection ... labels and won the Charles Cros Academy's Record Grand Prix in 2005.

Two recordings have recently appeared: Beethoven's 14th quartet opus 131 and a DVD "At the heart of the music of our time", devoted to French music and filmed at the Abbaye de Fontevraud.

Two documentary films on the Rosamonde Quartet have been produced by Vincent Battalion: "Notes for a Quartet" and "Thus the Night" which testifies to the long collaboration of the Rosamonde Quartet with the composer Henri Dutilleux.

The Rosamonde Quartet is very active in the contemporary repertoire and many composers have written for it. He works with Pascal Dusapin, Philippe Fénelon, Renaud Gagneux, Philippe Hersant, György Kurtág, Jacques Lenot, Michèle Reverdy, François Sarhan, Eric Tanguy, Ton-That Tiêt

Agnès Sulem has appeared as a soloist with the Ensemble Intercontemporain, the Radio France Philharmonic Orchestra, the Cannes Provence Alpes Côte d'Azur Orchestra, the Nice Philharmonic Orchestra, the Jeunesses Musicales International Orchestra under the Pierre Boulez, Maurizio Kagel, Pol Mule, Philippe Bender, Jean-Marc Cochereau and Marcello Viotti

Agnès Sulem studied at the Paris Conservatory where she received a First Prize for violin and a First Prize in chamber music. She is also a doctor in mathematics.
Agnès Sulem is "Knight of the Order of the Legion of Honor".