Ulrich Spengler is Professor Emeritus at the Rheinische Friedrich-Wilhelms University of Bonn in Germany. He is also a member of the European Association for the Study of the Liver (EASL) Educational Committee. A certified specialist in internal medicine, gastroenterology and infectious diseases, Professor Spengler’s expertise and scientific interest is in the immunity aspects of liver diseases and infections of the liver.

Verena Keitel is Professor of Hepatobiliary Transport Physiology and a senior physician at the Department of Gastroenterology, Hepatology and Infectious Diseases at the University Hospital Düsseldorf in Germany. Her clinical and research interests focus on cholestatic and hereditary liver diseases and the improvement of patient care. She is also a part of the German Collaborative Research Center Steering Committee.

Thomas Marjot is a Hepatology Specialist Registrar and Wellcome Trust Clinical Research Training Fellow at the University of Oxford, UK. He has a particular research interest in the lipid flux pathways leading to non-alcoholic fatty liver disease (NAFLD). Since the onset of the pandemic, Dr Marjot has led the European Association for the Study of the Liver (EASL)-supported COVID-Hep registry designed to characterise the COVID-19 disease course in patients with chronic liver disease or after liver transplantation. The COVID-Hep registry has just been relaunched with EASL in partnership with North American collaborators SECURE-Liver to try and answer new important questions including the rates and disease course of post-vaccination SARS-CoV-2 infection.

Julian Schulze-zur-Wiesch is a Professor in the Department of Medicine, Gastroenterology, Infectious Diseases and Tropical Medicine at the University Medical Center Hamburg-Eppendorf (UKE), Germany, where he works alongside Professor Ansgar Lohse. He is also Director of the Viral Hepatitis Outpatient Clinic at UKE, a position he assumed his 2010. Professor Schulze-zur-Wiesch did his postdoctoral training at Harvard University between 2003 and 2006.

Miriam Sturkenboom is a Professor in Observational Data Analysis, a pharmacoepidemiologist, and currently Head of the Department of Datascience and Biostatistics at the Julius Center, part of University Medical Center Utrecht, The Netherlands. A past President of the International Society for Pharmacoepidemiology, she is Coordinator of the European Commission-funded ConcePTION project aiming to establish a testing system for monitoring the benefits and risks of medicines in pregnancy and is Co-founder and President of the Vaccine Monitoring Collaboration for Europe (VAC4EU).

Rifaat Safadi is Director of the Liver Unit and Full Professor in Medicine, Gastroenterology and Hepatology in the Institute of Gastroenterology and Liver Diseases, Faculty of Medicine at Hadassah Hebrew University Medical Center in Ein-Kerem, Jerusalem, Israel. He is also Director of Liver Unit and Clinical Research Center at the Holy Family Hospital in Nazareth, Israel, as well as a Visiting Scholar at the Division of Liver Diseases at Mount Sinai School of Medicine, New York, USA. Professor Safadi is a leading member of several international liver associations committees, including the European Association for the Study of the Liver (EASL) and American Association for the Study of Liver Diseases (AASLD), and was a member of the EASL Scientific Committee and Governing Board from 2007–2010 and the AASLD International Relations Advisory Committee from 2010–2012.