Jitz Jeitz studied in Luxembourg, Strasbourg and Liège. He played in numerous bands since the 80s and performed with almost every local hero from Luxembourg and around : Ernie Hammes, Pascal Schumacher, Marc Demuth, Maxime Bender just to mention a few. He performed with Claudio Roditi, teve Shehan, and Nils Landgren. As a member of the Luxembourg Jazz Orchestra, he had the pportunity to perform with Bob Mintzer, Phil Abraham, Slide Hampton, Freddy Cole, Don Braden and Jon Faddis. In 2003, he was a member of the Euroradio Big Band in residence in Istanbul. Doctor Jean-Claude and Mister Jitz: During daylight, he metamorphoses into a public servant and calls himself Jean-Claude.