Born in 1970 in Caracas, Venezuela, he was part of the Venezuelan Youth Orchestra System . In 1989 he moved to Brussels where he studied violin under Igor Oistrack at the Koninklijk Conservatorium van Brussel, and later went on to receive a Higher Certificate in Composition at the Conservatoire Royal de Musique. Son of one of the best known composers in Venezuela, Juan Carlos Núñez, he grew up in permanent contact with contemporary music. Once in Belgium he participated in different contemporary music ensembles such as Ictus (“Wagner Dream”, awarded the "Grand Prix de l'Academie du Disque Lyrique") and Musiques Nouvelles (Concertmeister and Editor for “The Nameles City”, awarded the “Diapason d’or 2011 in France).
He has also performed in festivals such as Musica Viva (France), Festival D’automme ( France), Clef De Soleil (France), Ars Musica (Belgium), Festival Van Vlanderen (Belgium), Festival d’Avignon (France), Transit (Belgium), Festival Atempo (Venezuela)
Festival Cervantino (Mexico), Encuentro de Compositores (Chile), Forum Nueva Música (Argentina), Zagreb Biennial (Croatia), Martha Argerich and Friends (Japan), lkhom-XX(Uzbekistan), among others.
He has also given contemporary music masterclasses at the Conservatorio del Sistema de Orquestas Juveniles (Venezuela), Forum Nueva Música (Argentina), Hoghschule fur Muziek Weimar (Germany), Conservatoire Royal e Bruxelles (Belgium), Academia Cervantina (Mexico), among others. He is currently full-time professor at the Pontificia Universidad Católica de Chile, as well as Artistic Director and First Violin of the Untref Quartet, resident quartet of the Universidad Nacional Tres de Febrero de Argentina (traveling from Santiago to Buenos Aires once a month). The quartet is devoted exclusively to the contemporary repertoire, and has performed with Irvine Arditti, Garth Knox, Ian Pace and Steve Reich, as well as premiering works by Fausto Romitelli, Jonathan Harvey, Pauline Oliveros, Henry Pousseur, Julio Estrada, among others.