After studying at the Académie de Malmedy with Roland Lodomez, Julien Theodor continued his studies at the IMEP in Namur with Antoine Acquisto, before Didier Petit, whom he accompanied at the Opéra des Flandres. He continued his studies in Canada and Germany (Dortmund, Düsseldorf and Karlsruhe). He studied new techniques with the Canadian teacher Glenn Libman. He has played with major orchestras in Belgium and abroad. Passionate about teaching, he teaches at the Academies of Malmedy and Luxembourg, and in masterclasses (Dinant, Lübeck...). He has just released his first CD with pianist Gabriel Teclu.