He headed the Unit of the INRA Versailles Centre from 1991 to 1999, chaired from 2001 to 2010, the Operational Management Board of the Group of Scientific Interest in Plant Genomics Genoplant, and from 2010 to 2013 was appointed to the French Agency for Research (ANR) scientific manager of the Biotechnologies and Bio-resources programme for "Investments for the Future".