Philippa Easterbrook is Senior Scientist within the Global Hepatitis Programme in the HIV department at the World Health Organisation Headquarters in Geneva. For the last five years she has led the development and implementation of global normative guidance in the use of antiretroviral therapy, and hepatitis B and C management and testing, and support to low and middle-income countries in hepatitis testing and treatment scale-up. She graduated in Medicine from University of Cambridge, and completed her training in general medicine and infectious diseases in London, Oxford and Birmingham, and in public health and epidemiology at Johns Hopkins University in the United States. She was Senior Lecturer in Infectious Diseases and Epidemiology at Imperial College, and then Head of Department and Professor of HIV Medicine at King´s College London for eleven years. She also served as Head of Research at the Infectious Diseases Institute, Makerere University, Kampala during a sabbatical. Her research activities have encompassed epidemiology, clinical trials, operational and qualitative research, as well as collaborative pathogenesis studies on the mechanisms of resistance to HIV, and has published more than 200 peer-reviewed articles.

Bernadette Moore is Associate Professor of Obesity and Head of Graduate School at the University of Leeds in the UK. A multidisciplinary Nutritional Scientist, her research has focused on the role of hepatic nutrient metabolism in obesity and NAFLD, and employed a variety of genomic, proteomic, and systems biology tools alongside nutritional intervention studies. Recent work encompasses strands of food policy and food systems related to childhood obesity, food poverty and malnutrition. She has published >50 peer-reviewed papers, editorials and book chapters, and was the recipient of the 2018 Nutrition Society Silver Medal for Research Excellence in a Young Investigator.

Professor Dr. Thomas Berg is Head of the Division of Hepatology, Department of Medicine II, at the Leipzig University Medical Center, Germany, and Chair of the University Liver Tumor Center, and Vice-Chair of the University Liver Transplant Center Leipzig. He is Secretary General of the European Associations for the Study of the Liver (EASL), Board member of the EASL International Liver Foundation (EILF) and served the Journal of Hepatology as Co-Editor between 2014 and 2019. He has published more than 440 articles in peer-reviewed journals and more than 100 reviews and textbook contributions. His h-index is 76 (Scopus).

Prof. Jesús Bañales is Head of the Liver Diseases Group at Biodonostia Health Research Institute (Donostia Univ. Hospital) in San Sebastian, Spain. His group is focused on studying the the molecular mechanisms involved in liver pathobiology, with special attention to cholestatic liver diseases, NAFLD, and liver cancer, and looking for novel diagnostic and therapeutic strategies. Regarding social media, he is Journal of Hepatology Website/Social Media co-Editor.

Elliot B. Tapper MD is an Associate Professor in the Division of Gastroenterology where he is director of the Michigan Cirrhosis Program. He is an NIH-funded investigator aiming to improve outcomes for patients with cirrhosis, with a focus on improving quality of care and symptom management. He helped found the twitter community called #livertwitter and can be found on twitter @ebtapper where he promotes all things hepatology. He co-ordinates social media for the Journal of Hepatology with Jesús Bañales.

Dr Juan Turnes is Head of Gastroenterology and Hepatology Department at Complexo Hospitalario Universitario de Pontevedra and Associate Professor at the University of Santiago de Compostela, Spain. He leads and investigator group focused in viral hepatitis and NAFLD. Regarding social media, he is in charge of the communication department of the Spanish Association for the Study of the Liver and he is also the associate editor of the journal Liver International. He uses to promote discussion on the #livertwitter community and regularly shows data analysis of this network on Twitter account @jturnesv.

Erica Villa, MD, is a Senior Professor of Gastroenterology at the University of Modena and Reggio Emilia. She treats patients with liver disease, and has particular expertise in cirrhosis, portal hypertension and HCC. Dr. Villa has completed many clinical studies that have led to identifying factors like menopause or hormonal status as critical in the progression of chronic liver disease. In the last years she has studied the factors determining HCC biologic aggressiveness as well as the relationship between coagulative status and progression of cirrhosis and its complications. Lately, she has led the panel in charge of writing the EASL CPGs on prevention and management of bleeding and thrombosis in patients with cirrhosis.

Patrick Northup is professor of medicine and surgery and medical director of liver transplantation at the Transplant Institute of New York University Langone Health in New York City. While fundamentally a clinician educator, Dr Northup has research interests in vascular disorders of the liver, coagulopathy of liver disease, portal vein thrombosis, anticoagulation in liver disease, liver transplantation and organ allocation. He is a fellow of the American Association for the Study of Liver Diseases and the American College of Gastroenterology. Dr Northup is a consultant to the NIDDK, FDA, and UNOS and is a prior recipient of the AASLD Jan Albrecht Clinical Research Award.