Convener and organizing or scientific committees in conferences
-2024: Scientific Organsing committee of the 8th WMO Workshop on the Impact of Various Observing Systems on Numerical Weather Prediction and Earth System Prediction, 27 30 May 2024
-2023: Organizing and science committees of the ECMWF Annual Seminar 2023 on Earth system Reanalysis, 4-8 September 2023, https://events.ecmwf.int/event/326/
-2023: Scientific committee of the 10th EARSeL workshop on Land Ice and Snow, 06 - 08 February 2023, Bern, Switzerland
-2022 co-organiser of the ISDA-online session on land surface data assimilation (2 December 2022 https://isda-online.univie.ac.at/online-events/december-2022-land-surface-data-assimilation/)
-2022: Scientific Organizing Committee of the INTERNATIONAL SYMPOSIUM ON ICE, SNOW AND WATER IN A WARMING WORLD, August 21–26, 2022, Reykjavík, Iceland https://www.cryosphere2022.is/
-2022: Scientific Committee of the Living Planet Symposium, Bonn, Germany, 23 27 May 2022
-2022-2006: Co-convener of the EGU session on soil moisture remote sensing, every year since from 2006 to 2022
- 20222023-2009: Member of the scientific committee and reviewer for the IEEE International Geoscience and Remote Sensing Symposium (IGARSS) every year since 2009
...
-Member of GODEX-NWP (Global Observation Data Exchange for NWP) (2021)
-Member of the Scientific Steering Committee(SSC) of the Earth System Modeling and Prediction Centre of CMA (since 2022)
-Member of the Norwegian NERSC (Nansen Environmental and Remote Sensing Center) council (since 2022)
-Chair of the European Meteorological Society (EMS) awarding committee (chair since 2022, member since 2018)
-Associate Editor for Quarterly Journal of the Royal Meteorological Society (since 2020)
-Member of WMO SG-CRYO (since 2020-2022)
-Member of the WMO JET-EOSDE (since 2020)
-Member of the Global Cryosphere Watch Advisory Group (since 2019)
-Member of the Copernicus Imaging Microwave Radiometer (CIMR) Mission Advisory Group (since 2020)
...
-Editor for The Cryosphere (since 2022-2024)
-Associate Editor for Quarterly Journal of the Royal Meteorological Society (since 2020)
...