Initially in chronic viral hepatitis C and now in NAFLD, he has contributed to the development and validation of several tests now widely used in clinical practice. He coordinates several research programs on the non-invasive diagnosis, screening, and prognosis assessment in steatotic liver diseases through national research programs, multicenter cohorts, and an international academic/industrial network. He is the Head of the HIFIH Laboratory (SFR ICAT 4208) at Angers University, and the Head of the Hepato-Gastroenterology Department at Angers University Hospital.