The work is organised in working groups, with the following coodinators
DATA
X-ray processing : F. Pacaud
X-ray background : S. Snowden
General catalogue : L. Chiappetti, S. Maurogordato
Catalogue information : A. Elyiv, O. Melnyk, E. Pompei
Photometric redshifts : S. Paltani
Spectroscopic follow-up : C. Lidman, S. Murray, J. Willis
Redshift archival : C. Adami, L. Guennou
Radio follow-up : M. Birkinshaw, C. Horellou, V. Smolcic
SCIENCE
Theory and simulations : A. Evrard
Clusters of galaxies (general) : M. Pierre
Cosmology : F. Pacaud, D.Rappetti
Mass measurements : G. Smith, F. Menanteau
z>>1 clusters: M. Bremer, J. Santos
The z~0.3-0.5 groups: B. Poggianti, F. Gastaldello
AGNs (general) : M. Plionis
Environmental studies : S. Raychaudhury, O. Melnyk
Large scale structure : N. Cappelluti, A. Elyiv
Evolution : I. Georgantopoulos, R. Hickox
Miscellaneous : A. Comastri
Cosmology: S. Basilakos, A. Goobar
NUMERICAL SIMULATIONS
Birmigham group (I. McCarthy et al)
Michigan group (A. Evrard et al)
Oxford group (J. Devriendt et al)
Princeton group (D. Spergel et al)
Meudon group (P.S. Corasaniti et al)