From the age of 4 Juan-Sébastien Jimenez lives in an intense musical atmosphere in Venezuela and practices the «small» percussions (Maracas , bongos , etc…) with his father musician Guillermo Jimenez Leal singer, songwriter. Until the age of 14 he worked in the Latin American milieu in Paris. From then on, at the high school «Claude Monet» Annick Chartreux musician and music teacher will introduce him to drums in the orchestra of the high school and he then discovers Jazz.. A few years later he switched to bass and took classical guitar lessons. It was at the conservatory of the 5th arrondissement that he learned four-part writing and classical percussion. At the age of 18, he began his professional career with his favorite instrument the bass Six strings. It was at the C.I.M first as a drummer and later as a bass player that he met other young musicians with whom he perfected his knowledge of jazz..

In 1993 he met Alfredo Rodriguez with whom he deepened his knowledge of Afro-Cuban music and played with many Latin musicians such as:. Miguel «Anga» Diaz, Orlando Poleo, Orlando «Maraca» Valle, Eddy Palmieri, Patato Valdez, Raul Paz. The «tres» (Cuban guitar with 3 double strings) becomes one of the instruments practiced by J.S Jimenez. In parallel he still evolves in jazz and Brazilian music and works with: Nelson Veras, Nene (Drummer of hermeto Pascoal), Rafael Lima (Switzerland), Raoul De Souza, Carlos Nando (Angolan musician) and many others in places like the «Pao Brazil», «The Divan of the world», “the salty kiss” etc…

Juan-Sébastien Jimenez also has the opportunity to work with Paco Sery, Mario Canonge, Jean-Phillipe Fanfan with whom he discovers the African and Caribbean dimension. At the same time he sets up his own jazz and fusion bands like «D.K.E» (with Jerome Sabbagh), «Hexane» (2nd Laureate in the Avignon competition) and plays in Parisian clubs. During these concerts he meets Birelli Lagrenne with whom he shares some privileged musical moments. With and thanks to Claude Sommier (Leader of the DJOA group) he plays with François Laizeau , Xavier Dessandre and Jean Marc Larchet . At the same time he discovered the Jimmy Hendrix repertoire in the trio of Byron Holmes.