The International Earth Surface Working Group - IESWG is an international expert group supporting the Coordination Group for Meteorological Satellites - CGMS. The IESWWG helds annual or bi-annual workshops and their scope and outcomes are collected here:

• IESWG-2017
• IESWG-2018
• IESWG-2019

The next meeting IESWG-2025 is foreseen to take place in Asia (Japan, TBC). 

The IESWG co-chairs are:

• Clara DRAPER (NOAA, clara.draper@noaa.gov)
• Gianpaolo BALSAMO (ECMWF pad@ecmwf.int, WMO gpbalsamo@wmo.int).

The CGMS rapporteur for the IESWG is:

• Ben RUSTON (UCAR benr@ucar.edu).