2013-present: Senior Scientist, Land Surface Data Assimilation (LDAS) Team Leader, Data Assimilation Section
2011-2013: Senior Scientist, Consultant, Land Surface Analysis, Data Assimilation Section
2008-2011: Scientist, Consultant, Land Surface Analysis, Data Assimilation Section
2007-2008: Scientist Consultant, for the SMOS global monitoring and data assimilation study (ESA contract)
2001 - 2002: project PROMISE (Predictability and variability of monsoons and the agricultural and hydrological impacts of climate change) pour la modélisation et l'études des interactions entre l'irrigation en Inde et la circulation de mousson.
1999 - 2001: Post-doctoral position under a CNES contract in the context of the SMOS project. ''Etudes pour le développement d'un schéma d'assimilation de la température de brillance en bande L à l'aide du modèle de surface SECHIBA. Problème direct.''
Collaboration with USDA hydrology laboratory (1 month stay at USDA supervised by Tom Schmugge).
1998 - 1999: European Project ''Climate and Land Degradation'' (Contrat CNRS ENV4-CT97-0696)
1994-1999: PhD Student at LMD funded by the French ministry of research