The French conductor and composer Arnaud Arbet first studied piano at Grenoble’s Conservatory, Paris’ National Superior Conservatory and at the University of Arts of Berlin. After being rehearsal pianist at the Atelier Lyrique of the Paris’ National Opera, he was engaged by Gerard Mortier at the Teatro Real of Madrid as a rehearsal pianist and assistant conductor and worked with conductors such as Pierre Boulez, Seiji Ozawa, Sir Simon Rattle, Semyon Bychkov, Ingo Metzmacher, Sylvain Cambreling, François-Xavier Roth and Alejo Pérez. There he conducted his first concerts with the Symphony Orchestra of Madrid.

Kapellmeister at the Opera of Chemnitz during one year, Arnaud Arbet continued assisting at the Salzburg Festival, the Ruhrtriennale, the operas of Milan, Rome and Amsterdam. Between 2014 and 2018, he was engaged by the Teatro alla Scala of Milan as personal assistant of György Kurtág for the opera Fin de partie and worked in close collaboration with the composer.

In 2018, Arnaud Arbet conducted at La Scala of Milan a concert with the Ensemble Bernasconi in the festival « Milano Musica ». He returned to this festival in 2021, with Mare Nostrum of Kagel in the multidisciplinary project FLUXO at the HangarBicocca.

Arnaud Arbet regularly conducts at the Opera of Cologne : Die Eroberung von Mexico by Rihm, Die Soldaten by Zimmermann (co-director with François-Xavier Roth), Mare Nostrum by Kagel, La Scuola de’ Gelosi by Salieri and Carmen by Bizet. In 2020, he created Philipp Maintz’s clamitationes colonienses with the Gürzenich Orchester in the Philharmonie of Cologne. In 2023, he conducted Offenbach’s Tales of Hoffmann at the Norrlandsoperan in Umeå, in Sweden. This production is broadcast on the national Swedish television.

In 2022, he founded the ensemble « Le Seuil Musical » (the musical threshold), which aim is to play, explain and promote the music of the first half of the 20th century. The ensemble has performed in Paris, Berlin, Bamberg and Tokyo.