Centre National de la Recherche Scientifique

CNRS research director, Marine Eutrophication Lab. (Rio de Janeiro)

Assistant engineer, CNRS

Assistant engineer, CNRS (Angers)

Research scientist, CNRS

CNRS research director (Paris)

Research director, CNRS (Bordeaux)

Research Scientist, CNRS - IRD (Wimereux) and visiting professor, Federal University of Permambouco (Brazil)