M. Piringer (Central Institute for Meteorology and Geodynamics), C. S. B. Grimmond (Indiana University), S. M. Joffre (Finnish Meteorological Institute), P. Mestayer (LMF, CNRS – Ecole Centrale de Nantes), M. W. Rotach (Meteorological Office), A. Baklanov (Swiss Federal Institute of Technology), K. De Ridder (Danish Meteorological Institute), J. Ferreira (VITO-TAP), E. Guilloteau (Instituto de Meteorologia), A. Karppinen (University Valenciennes), A. Martilli (Swiss Federal Institute of Technology), V. Masson (CNRM Meteo France) and M. Tombrou (University of Athens)