I am a former research director at the University Paris-Saclay/INRAE/AgroParisTech consortium. I was deputy director of the Nutrition Physiology and Alimentary Behavior reserch unit at Université Paris-Saclay (France). My main fields of scientific activity and expertise are: - Proteins and amino acids in food and supplements, protein metabolism in the body, amino acid metabolism and physiological functions in cells and tissues. - Metabolism of proteins and amino acids by the intestinal microbiota and physiological/pathophysiological consequences for intestine in physiological situations and inflammatory/mucosal healing situations. - Experimental works with animal model, cells, organoids, and intervention studies with volunteers in randomized controlled trials.