In the 1978/79 season, he was assistant conductor to Antal Doráti at the Detroit Symphony Orchestra. After positions in Augsburg, Aachen and Hagen, Fischer-Dieskau became principal conductor at Theater Bern in 1991 with responsibilities for the contemporary, Italian and Russian repertory. He was guest conductor at festivals in Helsinki, Drottningholm, Oviedo and Granada, where he performed in collaboration with celebrity singers such as Ricciarelli, Obratzsova, Aliberti, Seiffert. In 1993 he served as the artistic leader of the Youth Festival at Bayreuth. He has held a professorship in conducting at the University of the Arts Bremen since 1994 and produced and hosted his own television series of eleven musical "tours" that were telecast for ARD throughout Germany. In 2001 he was the initiator of an Israeli-Palestinian-German orchestral summit in Tel Aviv, Israel.