During the 2025–2026 season, Grégoire Mour performs the roles of Romeo and Tybalt (Roméo et Juliette by Gounod) at the Théâtre des Champs-Élysées and later at the operas of Reims and Bordeaux, Gastone (La Traviata) at the Opéra de Rouen, and Beppe (Pagliacci) at the Opéra de Dijon.

He was recently heard in opera as the Pope of Fools and Clothes Merchant (Louise) at the Festival d’Aix-en-Provence, Tanzmeister and Brighella (Ariadne auf Naxos) at the Opéra de Rouen, Spoletta (Tosca) at the Opéra de Dijon, Gonzalve (L’Heure Espagnole) at the Opéra de Toulon, Normanno (Lucia di Lammermoor) at the Opéra de Nice, Gastone (La Traviata) at the Opéra de Lorraine, the Fourth Jew (Salome) at the Festival d’Aix-en-Provence, and First Commissioner (Dialogues des Carmélites) at the Opéra de Massy.

René Jacobs has invited him to perform the roles of Remendado (Carmen) with the B’Rock ensemble and Pastore (L’Orfeo) with the Freiburger Barockorchester, in venues such as the Philharmonies of Paris, Berlin, and Hamburg, as well as the Teatro Real in Madrid and the Liceu in Barcelona.

In concert, he has appeared in a Rossini program with the Orchestre de l’Opéra de Lyon, Saint-Saëns’ Christmas Oratorioand Mozart’s Requiem with the Orchestre National des Pays de la Loire, Mozart’s Requiem again with the Radio France Choir, and Beethoven’s Ninth Symphony with the Strasbourg Philharmonic Choir.

A member of the Opéra de Lyon Studio from 2017 to 2019, Grégoire Mour performed the roles of Uldino (Attila) and Abdallo (Nabucco) under the baton of Daniele Rustioni, as well as the Prince and the Jester (La Belle au bois dormant by Respighi), Torquemada (L’Heure Espagnole), Borsa (Rigoletto), Rodolphe (Guillaume Tell), Marshal Trac (Le Roi Carotte), and the Young Prisoner (From the House of the Dead).

Graduated from the Conservatoire National Supérieur de Musique et de Danse de Paris and the Guildhall School of Music and Drama in London, after training as a dancer at the Conservatoire de Lyon, Grégoire Mour also refined his theatrical skills at the Cours Florent in Paris. He has been a laureate of the Royaumont Foundation and the Académie de la Voix at the Fondation des Treilles.

Interested in musical theatre repertoire, Grégoire Mour performed at the Théâtre du Châtelet in the world premiere of Pourquoi j’ai mangé mon père? as Uncle Ian, as Bernardo (West Side Story by Bernstein) with the English company Vivo d’Arte, and in the title role of Gershwin in a show built around the composer’s music.

He has also appeared at London’s Barbican Hall in the opera Alice in Wonderland (Unsuk Chin) with the BBC Symphony Orchestra, and as an Elder Brother in The Hogboon, a creation by Sir Peter Maxwell Davies with the London Symphony Orchestra conducted by Sir Simon Rattle.

Grégoire Mour has been represented by RSB Artists since 2019.