In 1989 he became professor of opera stage direction in
Hanover, where he has since taught such topics as: stage music in Weimar, in Bayreuth, in Vienna and in Bochum, as well as management of cultural products in Weimar, Dresden, Hamburg, the Hague and Berlin. Since 1980 he is art director of the München Music Theater Pianopianissimo
1990-1995 he was art director and manager of the Thuringia State Theater and Symphony Orchestra, as well as the
, while in 1998-2000 he was art co-director and principal dramaturgist of the Hague Theater. He has published numerous works, including the biography Siegfried Wagner, Genie im Schatten
(1988 / 1994), and made a large number of radio and TV productions.