He was appointed member of the Institut national de la recherche agronomique (INRA) scientific commissions for 2 terms of 4 years, member of the MICAP scientific council, Mission à la connaissance et à l'amélioration des plantes (CIRAD) for 2 terms, member of the scientific council of the École nationale supérieure d'agronomie de Montpellier from 2002 until the end of 2006, member of the Board of Directors of the ISPMB (International Society for Plant Molecular Biology) from 1998 to 2002 and co-organizer, with Père Puigdomenech, of the ISPMB International Congress in Barcelona in June 2003 and member of the operational board of Génoplante from 1999 to 2004.