- John Antle, Montana State University Bozeman, USA
- James Ascough, ARS Fort Collins, USA
- Salvatore Cosentino, University of Catania, Italy
- Olaf Christen, University of Halle-Wittenberg, Germany
- Marcello Donatelli , CRA-ISCI, Italy
- Carlo Giupponi, University of Milan, Italy
- Jonathan (Jon) Hanson, USDA-ARS-NGPRL, USA
- Graeme Hammer, University of Brisbane, Australia
- Jerry Hatfield, USDA-ARS-NSTL, USA
- Thomas Heckelei, Bonn University, Germany
- Brian Keating, CSIRO, Queensland, Australia
- Hans Langeveld, Wageningen University, The Netherlands
- Keith Matthews, Macaulay Institute, Scotland
- Andrea Rizzoli, IDSIA-USI/SUPSI, Switzerland
- Claudio Stockle, Washington State University, USA
- Martin van Ittersum, Wageningen University, The Netherlands
- Jacques Wery, UMR System (Agro.M-Cirad-Inra), France
