Speakers and instructors (as of April 2008):

William Aldred (Pensacola/Florida)
Josep Callizo (Marburg/Germany)
Stephan Clemens (Greifswald/Germany)
Borja Corcóstegui (Barcelona/Spain)
Vincenzo Ferrara (Arona/Italy)
Cesare Forlini (Ravenna/Italy)
Paul B. Griggs (Seattle/USA)
Lars-Olof Hattenbach (Ludwigshafen/Germany)
Hans Hoerauf (Göttingen/Germany)
Steffen Hörle (Marburg/Germany)
Frank H. J. Koch (Frankfurt/M./Germany)
Michael J. Koss (Frankfurt/M./Germany)
Peter Kroll (Marburg/L./Germany)
Stefan Mennel (Marburg/Germany)
Ulrich Mester (Sulzbach/Germany)
Carsten H. Meyer (Bonn/Germany)
Sundaram Natarajan (Mumbai/India)
Stephan Nikolic (Hannover/Germany)
Robert Rejdak (Lublin/Poland)
Eduardo B. Rodrigues (Florianopolis/Brazil)
Jörg Chr. Schmidt (Marburg/Germany)
Stefan Scholtz (Frankfurt/M./Germany)
Hermann D. Schubert (New York/USA)
Jerry Sebag (Huntington Beach/USA)
Pankaj Singh (Frankfurt/M./Germany)
Einar Stefansson (Reykjavik/Iceland)
Paul E. Tornambe (Poway/USA)
Mike T. Trese (Royal Oak/USA)
Andreas Wedrich (Graz/Austria)
Nadja Viktoria Zaki (Marburg/Germany)