- COSMO 97: Ambleside (U Lancaster)
- COSMO 98: Asilomar (UC Santa Barbara)
- COSMO 99: Trieste (ICTP)
- COSMO 00: Cheju Island, South Korea
- COSMO 01: Rovaniemi (U Helsinki)
- COSMO 02: Chicago
- COSMO 03: Ambleside (IPPP Durham)
- COSMO 04: Toronto (CITA)
- COSMO 05: Bonn
- COSMO 06 Tahoe (UC Davis)
- COSMO 07: Brighton
- COSMO 08: Madison
- COSMO 09: CERN
- COSMO 10: Tokyo
- COSMO 11: Porto
- COSMO 12: Beijing
- COSMO 13: Cambridge
- COSMO 14: Chicago
