Charles Loos born in 1951. After formal training, he left, in 1972, to study jazz composition and orchestration at the Berklee School of Music in Boston.

Back in Europe, he accompanied numerous soloists : Toots Thielemans, Chet Baker, Philip CATHERINE, Maurane etc..

He also took part in more experimental groups such as “Abraxis” and Julverne

He founded and recorded two albums with the Loos-Lazarevitch International Quintet (with Serge Lazarevitch, Riccardo Del Fra, John Ruocco).