Dr. Marra graduated in 1986 at the University of Florence School of Medicine. He received his Ph.D. Degree in 1992. He is currently appointed as Associate Professor of Medicine at the University of Florence, School of Medicine, where he leads an independent research group. Dr.Marra has been a member of the Steering Committee of the Italian Association for the Study of the Liver (AISF) and a member of the Governing Board of the European Association for the Study of the Liver (EASL). Dr. Marra has contributed to define the role of different factors, including cytokines and chemokines, in the response to chronic liver damage, increasing the knowledge in the field of liver fibrosis. Dr.Marra is recognised as a national and international expert, as indicated by the numerous participations in meetings and seminars as an invited speaker.