Walter Carnielli, Centre of Logic, University of Campinas, Brazil
Janusz Czelakowski, Institute of Mathematics, University of Opole, Poland
Wieslaw Dziobiak, Department of Mathematics, University of Puerto Rico, USA
Josep Maria Font, Institute of Mathematics, University of Barcelona, Spain
Tomasz Kowalski, Department of Logic, Jagiellonian University, Poland
Hiroakira Ono, Japan Advanced Institute of Science and Technology, Hokuriku, Japan
Alasdair Urquhart, Department of Phlosophy, University of Toronto, Canada
Frank Wolter, Department of Computer Science, University of Liverpool, UK
Heinrich Wansing, Department of Philosophy II, Ruhr University Bochum, Germany
Ross Willard, Department of Pure Mathematics, University of Waterloo, Canada
Piotr Wojtylak, WMFiCH, University of Silesia, Poland
Andrzej Wronski, Department of Logic, Jagiellonian University, Poland