He has participated in the National Hepatitis Plan of Spain since 2015 and is an active member of the Hepatitis C Observatory of the Community of Madrid. He has been involved in the development of the most important registry in treatments against hepatitis C (Hepa C) being the Director of this registry until 2018. He is a member of the board of directors of the Spanish NASH registry (HEPAMET) which includes more than 2000 patients. with liver biopsy with diagnosis of MAFLD. He is also part of the National Consensus on Diagnosis and Management of NAFLD.

He is a regular speaker at national and international meetings on Viral Hepatitis and MAFLD.

He leads one of the most active research groups in Hepatology in Spain and is the current Deputy Director and member of the Board of Directors of the Puerta de Hierro Health Research Institute (IDIPHIM) in Madrid. This Institute is made up of more than 200 scientists in different aspects of biomedicine and has a significant impact on research in Spain. He is principal investigator of several research projects (public and private) and international multicenter clinical trials. He has been principal investigator of different projects in viral hepatitis, cirrhosis and NAFLD, with more than 50 studies currently completed.