Vlad Ratziu, MD, PhD, is a Professor of Hepatology at Sorbonne University and Pitié-Salpêtrière Hospital in Paris, France. His main research interests are in the field of NAFLD; the mechanisms, risk factors, and progression of liver fibrosis in viral and metabolic diseases; and the treatment of viral hepatitis and hepatocellular carcinoma. He has participated in early, mid, and late-stage trials of NASH and has published more than 260 articles in prominent journals. Prof. Ratziu coordinated the Fatty Liver Inhibition of Progression (FLIP) consortium, which sought to study both the mechanisms of liver disease progression in NAFLD and potential interventions, drawing on the largest cohort of NAFLD patients in Europe. He is co-editor for the Journal of Hepatology.