sheriff was artistic director of the kibbutz chamber orchestra (1973-1982); music director of the israel symphony orchestra rishon lezion (1989-1995); professor of composition and conducting at the tel-aviv university's samuel rubin academy of music (since 1990) and the academy's director (1998- 2000); artistic director of the israel chamber orchestra (2002-2005); and artistic director of the haifa symphony orchestra (from 2004 until his death).