Director of research at INRA (National Institute for Agriculture Research), France. Founder director of Fish Nutrition Laboratory and Station d'Hydrobiology Research Station. Editorial boards of several journals including British Journal of Nutrition, Aquaculture, Aquaculture Research, Aquaculture Nutrition, Aquatic Living Resources, Board member of several academic and professional bodies. European Aquaculture society (President-Elect). Coordinator of several EU research projects.