Walter Carnielli - Centre of Logic, University of Campinas, Brazil

Janusz Czelakowski - Institute of Mathematics, University of Opole, Poland

Michael Dunn - Department of Philosophy, Indiana University, U.S.A.

Wiesław Dziobiak - Department of Mathematics, University of Puerto Rico, U.S.A.

Josep Maria Font - Institute of Mathematics, University of Barcelona, Spain

Paweł M. Idziak - Theoretical Computer Science Department, Jagiellonian University, Poland

Tomasz Kowalski - Department of Mathematics and Statistics, University of Melbourne, Australia

Hiroakira Ono - Japan Advanced Institute of Science and Technology, Hokuriku, Japan

Don Pigozzi - Mathematics Department, Iowa State University, U.S.A.

Alasdair Urquhart - Department of Phlosophy, University of Toronto, Canada

Frank Wolter - Department of Computer Science, University of Leipzig, Germany

Heinrich Wansing - Dresden University of Technology, Dresden, Germany

Ross Willard - Department of Pure Mathematics, University of Waterloo, Canada

Piotr Wojtylak - Institute of Mathematics, Silesian University, Poland

Andrzej Wroński - Department of Logic, Jagiellonian University, Poland