François Le Roux distinguished himself in several iconic roles, notably that of Pelléas, which he performed over a hundred times worldwide. His portrayal in this role was immortalized under the baton of Claudio Abbado. He also took on other characters, such as Golaud, in Debussy’s work.

Drawn to 20th-century opera, François Le Roux participated in world premieres and engaged in contemporary productions, demonstrating his interest in innovation and diversification of the lyrical repertoire.

In addition to his performance activities, François Le Roux is also a renowned teacher. He held positions as a voice professor at the CNSMD de Paris and the École Normale de Musique Alfred Cortot. He also founded and directed the Francis Poulenc Academy, dedicated to the interpretation of French melody.