Joseph (Jossi) Hartmann was born in 1946 in Budapest, Hungary and he lives in Israel since 1957. During and after his double-bass, conducting and composition studies in Tel Aviv he played in several symphony and chamber orchestras in Israel. In 1972 he founded the Dimona Youth Band and later the Camerata Dimona Chamber Orchestra, and while conducting both of them he was also director of the Dimona Conservatory until his retirement in 2001.