[1] Since 1994, he has been an elected member of the interest group "Rat für die Künste Berlin".
Between 1999 and 2001, he was music curator at the ZKM Center for Art and Media Karlsruhe.
For the sound art festival Sonambiente [de] in Berlin, he was on the artistic direction team both in 1996 and 2006.
In Berlin and Lucerne, he was co-initiator of the "Pfeifen im Walde" (1994/97) festival.
[2] From 2001 to 2014, he was artistic director of the MaerzMusik, the "Festival für aktuelle Musik" of the Berliner Festspiele.