- Yoji Aizawa, Tokyo, Japan
- Tassos Bountis, Patras, Greece
- Giulio Casati, Como, Italy
- Saber Elaydi, San Antonio, U.S.A.
- Siegfried Grossmann, Marburg, Germany
- Ulrich Krause, Bremen, Germany
- Peter Mc Clintock, Lancaster, United Kingdom
- Tomaz Prosen, Ljubljana, Slovenia
- Marko Robnik, Maribor, Slovenia
- Valerij Romanovski, Maribor, Slovenia
- Michael Rosenblum, Potsdam, Germany
- Albrecht Ruffing, Bexbach, Germany
- Andreas Ruffing, Munich, Germany
- Akira Shudo, Tokyo, Japan
- Aneta Stefanovska, Lancaster, United Kingdom
- Kazuo Takatsuka, Tokyo, Japan
- Michael Wilkinson, Milton Keynes, United Kingdom
- Marko Znidaric, Ljubljana, Slovenia