Laurence Ketels begins her musical studies at Roubaix Concervatoire where she obtains a Gold violin and chamber music Price in 1982.

At the same time, she gratuated in PARIS CNSM - Conservatoire National Supérieur de Musique in music theory with a First Price.

Laurence Ketels carried on studying and obtained First advanced Violon Price at LILLE CNR - Conservatoire National de Région in 1983, a concert licence at PARIS's « Ecole Normale de Musique » in 1984 and First Prices in violin (M.Jarry's class) and chamber music (R.Pasquier's class) in 1988-89 at PARIS CNSM.

In 1990, she studied violin with Elisabeth Balmas in an advanced class at CNSM de LYON.

From 1995 to 1996, Laurence Ketels is Solo Violin at GRENOBLE « Ensemble Instrumental » and in 1996Solo Violonat CLERMONT-FERRAND « Orchestre d'Auvergne ».

Since 2001, Laurence Ketels is Solo Violin Solo at LYON National Opera Orchestra.

Member of Lyon String Sextuor (since 1991), the Guarnerius Trio (1986- 1989) and « Maestrio » with E.Sapey Triomph and B.Robillard, Laurence Ketels performed in France and abroad in International Festival such as SARASORA International Festival « LA MUSICA » in Florida, in Germany, in Suede, at OLLIOULE Festival, at LYON's Musicades with Alain Meunier, Bruno Giuranna, Joé Silverstein...

Laurence Ketels obtained her State Teaching Diploma in 1990.

She is teacher at VILLEURBANNE ENM - Ecole Nationale de Musique and Annick Roussin's personal assistant at LYON CNSM - Conservatoire National Supérieur de musique.