As of 1 January 2021
| Member | Role | Affiliation |
| REYNOLDS Carolyn Carolyn.Reynolds at nrlmry.navy.mil |
Co-Chair | Naval Research Laboratory, USA |
| WEDI Nils wedi at ecmwf.int |
Co-Chair | ECMWF, UK |
| ALVES Jose Oscar oscar.alves at bom.gov.au |
Member | Bureau of Meteorology, CAWCR, Australia |
| ASTAKHOVA Elena elena_ast_hmc at mail.ru elena.astakhova.hmc at gmail.com |
Member | Hydrometeorological Research Centre, Russia |
| ENGELBRECHT Francois Francois.Engelbrecht at wits.ac.za |
Member | University of the Witwatersrand, South Africa |
| FRASSONI Ariane ariane.frassoni at inpe.br afrassoni at gmail.com |
Member | Instituto Nacional de Pesquisas Espaciais (INPE/CPTEC), Brazil |
| GRAHAM Tim tim.graham at metoffice.gov.uk |
Member | Met Office, UK |
| LAURITZEN Peter pel at ucar.edu |
Member | NCAR, USA |
| McTAGGART-COWAN Ron ron.mctaggart-cowan at canada.ca |
Member | Environment and Climate Change Canada |
| ROEHRIG Romain romain.roehrig at meteo.fr |
Member | CNRM/Météo-France |
| SUN Jian sunjian at camscma.cn sunjn at cma.gov.cn |
Member | CMA, China |
| UJIIE Masashi ujiie at met.kishou.go.jp |
Member | JMA, Japan |
| YANG Fanglin Fanglin.Yang at noaa.gov |
Member | NCEP, USA |
| ZÄNGL Günther guenther.zaengl at dwd.de |
Member | DWD, Germany |
| BONY Sandrine sandrine.bony at lmd.jussieu.fr |
Ex-Officio GASS |
IPSL, France |
| CASATI Barbara barbara.casati at canada.ca |
Ex-Officio JWGFVR |
Environment and Climate Change Canada |
| COELHO Caio caio.coelho at inpe.br |
Ex-Officio JWGFVR |
CPTEC, Brazil |
| EK Michael ek at ucar.edu |
Ex-Officio GLASS |
NCAR,USA |
| GLECKLER Peter gleckler1 at llnl.gov |
Ex-Officio Metrics Panel |
PCMDI, USA |
| KIM Daehyun daehyun at uw.edu |
Ex-Officio MJO TF |
University of Washington, WA, USA |
| KLOCKE Daniel daniel.klocke at mpimet.mpg.de |
Ex-Officio GASS |
Max-Planck-Institut für Meteorologie, Germany |
| WUEBBLES Don wuebbles at illinois.edu |
Ex-Officio SPARC |
University of Illinois, USA |
| DeMOTT Charlotte demott at atmos.colostate.edu |
Ex-Officio MJO TF |
Colorado State University, USA |
| WANG Huijun wanghj at mail.iap.ac.cn |
JSC liaison | School of Atmospheric Science Nanjing University of Information Science and Technology, China |