Phillip is the Director of the Kirketon Road Centre, a primary health care service in Sydney involved in the prevention, treatment and care of communicable diseases among people who use drugs, sex workers and other people with a street-based lifestyle in the Inner city.

Sione Crawford has been working in community-based organisations focused on hepatitis C prevention, testing and treatment for marginalised populations – especially people who inject drugs – for many years. He has lived experience related to this work and has spoken, written and presented in a variety of forums, including INHSU conferences, which he has been attending since the second meeting. He has had leadership positions in a number of peer-based organisations. Sione is currently the CEO of Harm Reduction Victoria: the organisation representing people who use drugs in Victoria, Australia. HRVic works with their community to ensure access to health care and human rights for people who use drugs.

Dr. Wakeman is Medical Director for the Mass General Hospital Substance Use Disorder Initiative, program director of the Mass General Addiction Medicine fellowship, Medical Director for Substance Use Disorder at Mass General Brigham, and an Associate Professor of Medicine at Harvard Medical School. She received her A.B. from Brown University and her M.D. from Brown Medical School. She completed residency training in internal medicine and served as Chief Medical Resident at Mass General Hospital. She is a diplomate and fellow of the American Board of Addiction Medicine and board certified in Addiction Medicine by the American Board of Preventive Medicine. Clinically she provides addiction and general medical care in inpatient and outpatient settings. Her research interests include evaluating models for integrated substance use disorder treatment in general medical settings, low threshold treatment, recovery coaching, physician attitudes and practice related to substance use disorder, and substance use treatment in primary care.

Professor Alison Ritter, AO is an internationally recognised drug policy scholar and the Director of the Drug Policy Modelling Program (DPMP) at UNSW, Sydney. She leads a multi-disciplinary program of research on drug policy. The goal of the work is to advance drug policy through improving the evidence-base, translating research, and studying policy processes. Her research work has focussed on many aspects of drug policy, including research on drug laws, drug treatment, models and methods of democratic participation in drug policy; and research on policy processes. Her work is supported by grants from competitive research funding bodies (NHMRC, ARC) as well as commissioned research from governments across Australia. She is past President of the International Society for the Study of Drug Policy, and Editor in Chief for the International Journal of Drug Policy. Professor Ritter has an extensive research grant track record and has published widely in the field.

Tom is a Ph.D. candidate at the National Drug & Alcohol Research Centre at UNSW Sydney. The focus of his thesis is the experience of child maltreatment and mental disorders among people with opioid use disorder. He is also interested in harms and treatment related to substance use.

Zoe Ward is an infectious disease modeller working at the University of Bristol and uses mathematical models of hepatitis C virus infection to help determine the impact of harm reduction policies and HCV treatment interventions on the epidemiology of HCV in populations of people who inject drugs.