Since 2012: Teacher-researcher in Human Nutrition, Resp. academic of the Prevention Health Education course, 4th 5th year engineer in Food and Health, UniLaSalle, Beauvais. 2012-2016: Head of the clinical research cell, UniLaSalle, Beauvais. 2007-2012: Director of the Nutrition and Health Sciences department, UniLaSalle, Beauvais. Since 2004: Visiting Professor in Human Nutrition, Faculty of Pharmacy, Saint-Joseph University (Lebanon). 2005-2007: Teacher-Researcher in human nutrition, Faculty of Medicine, Clermont-Ferrand. 2002-2004: Research Engineer, clinical research department, Clermont-Ferrand University Hospital. 2002: Accreditation to Direct Research in Human Nutrition, Faculty of Medicine, Clermont-Ferrand. 1999-2001: Co-founder of the NUTRALIS firm specializing in technology transfer and innovation in nutrition and health, Clermont-Ferrand. 1997-1998: Contract researcher, INRA Clermont-Ferrand, CRNH Auvergne, Clermont-Ferrand. 1996: University doctorate, INRA of Clermont-Ferrand, CRNH of Auvergne, Clermont-Ferrand.