Complex sentence: 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.
Split into simpler sentences: From 1980 to 1995 he was principal conductor of the Deutsches Symphonie-Orchester Berlin. In 1992 he was the artistic director at the Cairo Opera House.