From 1980 to 1995 he was principal conductor of the Deutsches Symphonie-Orchester Berlin, 1986-1988 President of the Austrian Composers' Association and 1992, the artistic director at the Cairo Opera House.
He was principal conductor of the Deutsches Symphonie-Orchester Berlin-1988 President of the Austrian Composers'Association. This was from 1980 to 1995. He was principal conductor of the Deutsches Symphonie-Orchester Berlin-1988 President of 1992. This was from 1980 to 1995.1988 President of the Austrian Composers' Association and 1992 were the artistic director at the Cairo Opera House. Orchester Berlin was 1986.