If you have a specific request, a question or a comment, do not hesitate to send an email to the CKMfitter group:
| Jérôme Charles | Theory | CPT Marseille (France) |
| Olivier Deschamps | LHCb | LPC Clermont-Ferrand (France) |
| Sébastien Descotes-Genon | Theory | IJCLAB Orsay (France) |
| Stéphane Monteil | LHCb | LPC Clermont-Ferrand (France) |
| Jean Orloff | Theory | LPC Clermont-Ferrand (France) |
| Wenbin Qian | LHCb/BESIII | University of Chinese Academy of Sciences (China) |
| Vincent Tisserand | LHCb/BABAR | LPC Clermont-Ferrand (France) |
| Karim Trabelsi | Belle/Belle II | IJCLAB Orsay (France) |
| Philip Urquijo | Belle/Belle II | Melbourne Universiy (Australia) |
| Luiz Vale Silva | Theory | Univ. Valencia (Spain) |
Former Members:
| Geoffrey Herbert | ATLAS | Humboldt-Universität Berlin (Germany) |
| Andreas Höcker | ATLAS | CERN Geneva (Switzerland) |
| Ryosuke Itoh | Belle/Belle II | KEK Tsukuba (Japan) |
| Andreas Jantsch | ATLAS | MPI Munich (Germany) |
| Christian Kaufhold | Theory | LAPP Annecy-Le-Vieux (France) |
| Heiko Lacker | ATLAS/BABAR | Humboldt-Universität Berlin (Germany) |
| Sandrine Laplace | ATLAS | LAPP Annecy-Le-Vieux (France) |
| Francois R. Le Diberder | BABAR | LAL Orsay (France) |
| Evan Machefer | LHCb | LPC Clermont-Ferrand (France) |
| Julie Malcles | BABAR | LPNHE Paris (France) |
| Andreas Menzel | ATLAS | Humboldt-Universität Berlin (Germany) |
| Valentin Niess | LHCb | LPC Clermont-Ferrand (France) |
| José Ocariz | ATLAS/BABAR | LPNHE Paris (France) |
| Alejandro Perez | BABAR | IPHC Strasbourg (France) |
| Luis Pesantez | Belle/Belle II | Melbourne Universiy (Australia) |
| Muriel Pivk | LHCb | CERN Geneva (Switzerland) |
| Stéphane Pruvot | BABAR | LAL Orsay (France) |
| Arnaud Robert | LHCb | LPC Clermont-Ferrand (France) |
| Lydia Roos | BABAR | LPNHE Paris (France) |
| Fabian Spettel | ATLAS | Humboldt-Universität Berlin (Germany) |
| Andrey Tayduganov | LHCb/Theory | TU Dortmund (Germany) |
| Guillaume Therin | BABAR | LPNHE Paris (France) |
| Stéphane T'Jampens | LHCb | LAPP Annecy-Le-Vieux (France) |