Violinist who served as the artistic director for the Festival de Musique d'Albi, as well as having been a soloist for the Orchestre de Paris and the leader of the Ensemble Instrumental de France.
He attended the Conservatoire national supérieur de musique et de danse de Paris, where he graduated first in his class for chamber music and violin.
He has taught violin at the Conservatoire Supérieur de Musique in Geneva.
He was born in the city of Lille.
In the past, Wallez has collaborated with many well-known musicians, such as Isaac Stern.