Opera de Stat din Viena
In 1988, Eberhard Waechter named Holender as Secretary-General of the Vienna State Opera, effective as of 1991. Eventually, Holender dissociated himself from the Starka business. After Waechter's death in February 1992, Holender became Director of the Vienna State Opera on 1 April 1992. He also led the Vienna Volksoper for 4 years simultaneously. Holender's contract was extended three times and concluded on 31 August 2010. He is the longest-serving general director in the history of the Vienna State Opera.