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

At the same time, she gratuated in Paris CNSMD – Conservatoire National Supérieur de Musique in music theory with a First Prize.

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

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 1996 Solo 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) and Lyon Trio with Yannick Callier and Bruno 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 Professeor assistant of Jean-Marc Philips-Varjabédian at Lyon CNSMD - Conservatoire National Supérieur de musique et de Danse.