Vana Sypsa is Professor of Epidemiology and Medical Statistics in the Nationnal and Kapodistrian University of Athens in Greece. Her research interests include the epidemiology of hepatitis C, HIV and other infectious diseases as well as implementing and assessing the impact of interventions among people who inject drugs. She is principal investigator in community-based programs for PWID in Greece, has contributed in the preparation of the national hepatitis C/HIV plans and was member of the national committee of experts for COVID-19.

Dr Saeed Sadiq Hamid is Professor, Department of Medicine and Director of the Clinical Trials Unit at The Aga Khan University, Karachi, Pakistan. He formerly served as Chair, Department of Medicine from 2008-2018. He trained in Medicine and Gastroenterology in the UK, and in Hepatology at University of Texas Southwestern Medical School, Dallas, USA. He has been Vice President, Pakistan Society of Gastroenterology and President of the Pakistan Society for the Study of Liver Diseases (PSSLD). He is currently Chair of Hepatology Interest Group of the World Gastroenterology Organization, has been a member of the Executive Council of the Asian Pacific Association for the Study of the Liver (APASL) from 2006-2010 and has chaired the WHO Guidelines Development Group for Hepatitis C in 2015 and again in 2017. He sits on Advisory Committees of the Coalition for Global Hepatitis Elimination (CGHE) and the Hepatitis Fund. His main research interests are viral hepatitis and Liver Failure. He has been an author on over 160 peer reviewed publications and three book chapters. He has mentored a number of postgraduate GI trainees, PhD and other graduate students.

Sarah Larney is an Associate Professor in the Department of Family and Emergency Medicine at the Université de Montréal and a Principal Researcher at the Centre de recherche du Centre Hospitalier de l’Université de Montréal. Her work focuses on the epidemiology and prevention of drug-related harms, particularly hepatitis C, other infectious diseases, and premature mortality. Current projects include a focus on sex and gender differences in the epidemiology of hepatitis C in people who inject drugs, work to understand shifting patterns of hepatitis C incidence in Montréal, and analyses of administrative data to understand links between unstable housing, incarceration, and mortality. Her work has informed the expansion of opioid agonist treatment in multiple jurisdictions, and led to changes to hepatitis C testing guidelines in correctional settings.