and the musicians collective Umlaut Berlin.
He has worked with improvisors like Tetuzi Akiyama, Alexander Frangenheim,
Madoka Kouno, Christof Kurzmann, Olaf Rupp and Matthias Schubert.
As an interpreter he has collaborated with composers Peter Ablinger, Antoine
Beuger, Philip Corner, Sven-Åke Johansson, Catherine Lamb, Christian Kesten
and Manfred Werder among others.
He also composes music himself.