Erzsébet Csuhaj-Varjú (Budapest, Hungary)
Rudolf Freund (Vienna, Austria)
Pierluigi Frisco (Edinburgh, UK)
Marian Gheorghe (Sheffield, UK)
Oscar H. Ibarra (Santa Barbara, USA)
Vincenzo Manca (Verona, Italy)
Solomon Marcus (Bucharest, Romania)
Giancarlo Mauri (Milano, Italy)
Mario J. Pérez-Jiménez (Sevilla, Spain)
Grzegorz Rozenberg (Leiden, The Netherlands)
