| Richard M. Aron | Kent State University | USA |
| Luis Bernal-González | Universidad de Sevilla | Spain |
| Jana Björn | Linköpings Universitet | Sweden |
| Geraldo Botelho | Universidade Federal de Uberlândia | Brazil |
| Bernardo Cascales | Universidad de Murcia | Spain |
| Robert Deville | Université Bordeaux 1 | France |
| Rafael Espínola | Universidad de Sevilla | Spain |
| Pando Georgiev | University of Florida | USA |
| Gilles Godefroy | CNRS, Paris | France |
| Alberto Ibort | Universidad Carlos III | Spain |
| Jordi López-Abad | Instituto de Ciencias Matemáticas | Spain |
| P.L.Papini | Università di Bologna | Italy |
| Daniel Pellegrino | Universidade Federal da Paraíba | Brazil |
| Luis Sánchez | Universidad de Concepción | Chile |
| Nageswari Shanmugalingam | University of Cincinnati | USA |