Isabelle Debever begins her musical studies at Nancy CNR - Conservatoire National de Région where she obtains a First violon and chamber music prize in 1981.

Then, she carries on studying at Boulogne Billancourt CNR in Maryvonne Le Dizès' class where she obtains unanimously a Gold violin prize with Felicitations in 1987 before entering in an improvement cycle.

In 1989, Isabelle Debever studies in Russia in Tchaïkovski Moscow Conservatory in Alexandre Vinnitski’s class  (David Oïstrak’s student).

The same year, she won a First Violin prize at the J.S. Bach International competition in Paris and she is invited to perform as a soloist in Paris Gaveau Concert Hall.

Isabelle Debever is invited to perform as a soloist and in chamber music in France and abroad.

She played in numerous wellknown festivals such as ; le Festival de Royaumont, le Festival «Why Note», les Rencontres artistiques de l’Hôtel de Sully,  le Festival de musique Française de Graveson, le Festival du Haut-Doubs, la saison de  la Cité de la musique, le Festival Présences à Radio France…

She is invited to perform with such orchestras as ; Camerata de Bourgogne , l’Orchestre Régional de Picardie , Ensemble Instrumental d’Orléans , l’Orchestre Symphonique et Lyrique de Nancy, l’Orchestre Harmonia Nova , l’Orchestre de Paris, l’Orchestre du grand théâtre de Dijon under the direction of wellknown condictors such as Pierre Boulez.

Isabelle Debever is also invited to perform with contemporary wellknown french formations such as ; l’Ensemble FA, l’Ensemble Inter Contemporain, l’Ensemble Alternance ou l’Ensemble XXI.

At the same time, Isabelle Debever is teaching violin ; she is Professor at Dijon and Dôle Conservatories :

Dijon CRR - Conservatoire à rayonnement régional and Dôle CRD - Conservatoire à rayonnement Départemental.

Isabelle Debever is also teaching at Dijon - Bourgogne CEFEDEM.