Born in Lille, Leleu was elected révélation soliste instrumental by the Victoires de la Musique Classique in 2009.
He then improved his skills with Reinhold Friedrich at the Hochschule für Musik Karlsruhe.
Many contemporary creators call on him, as do Martín Matalon (premiere of Trame XII for trumpet and orchestra), Philippe Hersant (Création de Folk Tunes for solo trumpet), Karol Beffa (premiere of the Concerto for trumpet and orchestra, Subway for trumpet and piano and Buenos Aires for brass quintet)… In chamber music, Romain Leleu performs regularly with Thierry Escaich, Olivier Vernet,[1] Ghislain Leroy,[2] Laurent Lefèvre,[3] Igor Tchetuev, the Convergences ensemble,[4] the Kheops Ensemble… Leleu has been nominated "classic revelation" of the Société civile pour l'administration des droits des artistes et musiciens interprètes [fr] (2005), winner of the Lyon International Chamber Music Competition (2005), of the International competition "Lieksa Brass Week" in Finland, of the Groupe Banque Populaire (2009) foundation, of the SAFRAN for music foundation (2010), and of the Del Duca foundation prize of the Académie des Beaux Arts (2011).
Leleu regularly leads master classes in France as well as abroad (Académie Internationale de Courchevel, Seoul National University, Tokyo College of Music, Orquesta Sinfónica de Minería [es] [5] - Mexico, University of Cincinnati – College-Conservatory of Music - USA, Tbilissi Conservatory of music - Georgia…).
Leleu is a laureate of the Del Duca foundation of the Académie des Beaux Arts.