Annick Roussin started her musical training with Michèle Auclair at the Conservatoire National Supérieur de Musique of Paris. In 1977 she won the first violin prize and the first music chamber prize. She started an international career after having won several great prizes of international competitions (Long-Thibaud in 1979, Geneva in 1980, Tchaikovsky in 1982).

She performed with orchestras like the orchestra from the French speaking Switzerland, the Collegium of Bâle, the Westfalishes Sinfonie Orchester, the Radio Orchestra of Francfort and Stuttgart, the Limburgs Symphonie Orkest, the Morave Philharmony, the philharmonic orchestra of Monte-Carlo... as well as several French orchestras (The capitole Orchestra of Toulouse,the philharmonic Orchestra of Pays de Loire) and with well-known orchestra leaders like Vaclav Neumann, John Nelson, Charles Bruck, Karl Anton Rickenbacher, Serge Baudo, Roberto Benzi, Michel Plasson...

Annick Roussin is not only a soloist but she spends also a lot of time for the chamber music. She is often invited in many festivals in France (Prades, Muiscades de Lyon...) and in the United States, Japan, Finland, Italy, Germany...

Annick Roussin is complimented by the music critics for her concerts as well as her CD recording (Harmonia Mundi, Accord, 3D, Calliope, Grave).

She was then successively appointed assistant for the Christian Ivaldi's chamber music class, for Alain Moglia's violin class and for Boris Gartlitzky's at the CNSM of Paris.

Since 2000 she has been violin teacher at the CNSM of Lyon. She did master class in Finland, in the United States and in Canada.