This Committee is constituted jointly by the Meteoritical Society and the Geochemical Society to oversee Geochimica et Cosmochimica Acta (GCA Journal). Six members are appointed to 3-year terms by the Presidents of the Meteoritical and Geochemical Societies in consultation with the Editors and the Committee chair. At least two members are nominated by each Society.

The current members are:

  • Conel Alexander (MS) 2024 - Chair
  • Caroline Peacock (GS) 2023
  • Fang-Zhen Teng (GS) 2024
  • Matthew Fantle (GS) 2025
  • Maria Schönbächler (MS) 2025
  • Shogo Tachibana (MS) 2026

There are also five ex-officio members:

  • Editor of GCA
  • Editor of Meteoritics and Planetary Science
  • Editor of Special Publications Series of Geochemical Society
  • President of the Meteoritical Society
  • President of the Geochemical Society