E. de Gouveia Dal Pino (Brazil) (chair)
A. Lazarian (USA) (chair)
M. Begelman (USA)
M. Dopitta (Australia)
T. Ensslin (Germany)
E. Falgarone (France)
P. Franco (Mexico)
S. Inutsuka (Japan)
G. Lugones (Brazil)
C. Mckee (USA)
G. Setti (Italy)
Joint Discussion at the 2009 XXVII IAU General Assembly in Rio de Janeiro from 12 to 14 August, 2009