A graduate of the Conservatoire royal de Bruxelles in Edmond Baert's class, he took advanced courses with Marie Hallynck, Daniel Grosgurin and Raphaël Wallfish, among others.
First prize winner of the Belfius Classics National Competition and laureate of the Thirionet Foundation, he received the Mathilde Horlait-Dapsens Prize in 1999 as a member of the Kaos String Quartet, with which he participated in chamber music master classes with members of the Alban Berg Quartet.
He is a founding member of the Ensemble Fragments, with which he performs in Belgium and several other European countries, as well as in South Korea, Lebanon, Bahrain and the Sultanate of Oman.
He also plays in other orchestras and ensembles such as the Brussels Orchestral Ensemble, the Royal Chamber Orchestra of Wallonia, the Flanders Symphony Orchestra, the Royal Philharmonic Orchestra of Liège, etc.
Matthieu Widart is a professor of cello, chamber music and string ensemble at the Forest Music Academy and at the Klaviatura & CO music school at the Abbaye Musicale de Malonne. He also teaches methodology for bowed strings at the Conservatoire royal de Bruxelles.