Robert Mozes was born in Rumania. He began his studies with Edith Broch, and later graduated from the Cluj Academy of Music. After coming to Israel in 1977 he continued to study under professor Shevelov at the Tel-Aviv Rubin Music Academy. A year later he joined the Israel Philharmonic Orchestra, with whom he has since made a number of solo appearances. He has also appeared with various chamber groups, especially with the Jerusalem String Trio (which he joined in 1986), in Israel, the USA, Canada and Japan, and in radio broadcasts, both as violist and violinist.