Born in 1995, Charles Reydellet obtained his DEM in 2012 at the Lyon Conservatory before completing a scientific baccalaureate. After passing the entrance examination to the Lyon National Conservatory of Music and Dance (CNSMD), he studied successively at the Staatliche Hochschule für Musik Trossingen (Germany; Szabolcs Zempléni's class), at the Kunstuniversität Graz (Austria; Hector McDonald's class), at the Universität der Künste Berlin (Germany; Christian Dallmann-Sebastian Posch's class) and at the Geneva University of Music (Master & Postgraduate).

He won first prize at the "Città di Chieri" international music competition (Italy), was a finalist at the "Città di Porcia" international competition (Italy) and obtained 4th prize at the International Tchaikovsky Competition (Russia).

He regularly plays as a guest musician with the Münchener Kammerorchester (Munich), the Orchestre de la Suisse Romande (Geneva), the Mariinsky Theatre Orchestra (Saint Petersburg), the Collegium Musicum Basel (Basel), the New Russia State Symphony Orchestra (Moscow), the Pannon Philharmonic Orchestra (Pécs), the Synchron Stage Orchestra (Vienna), the Opéra Nice Côte d'Azur (Nice), the Moscow State Academic Symphony Orchestra of the Russian Federation (Moscow), the Orchestre National de Cannes, while also performing chamber music (Donaueschingen Contemporary Music Festival, Ensemble Oktoplus, Ensemble Inicia...).

Horn professor at the Nice Conservatory as well as at Côte d'Azur University for Bachelor's and Master's Performer and Pedagogy programs since 2018, he has also been principal horn of the Collegium Musicum Basel since 2024.