Mat Southwell runs a volunteer peer-to-peer needle and syringe programme with his peers in Bath UK. He delivers community-led technical support to those pioneering harm reduction with people who use and inject drugs around the world through his community company Coact.

Dr. Kronfli is an Associate Professor in the Department of Medicine, Division of Infectious Diseases at McGill University and a Scientist at the Research Institute of the McGill University Health Centre. Dr. Kronfli's research focuses on designing, deploying, and evaluating evidence-based models of care through implementation science research to increase engagement along the hepatitis C virus care cascade for incarcerated populations. As an international leader in the elimination of hepatitis C in carceral settings, Dr. Kronfli conducts research focused on improving access to testing and treatment, as well as harm reduction services, in both Canadian federal and provincial prisons. She is the Vice-Chair of the International Network of Health and Hepatitis among Substance Users – Prisons (INHSU Prisons) and a Principal Investigator of the Canadian Network on Hepatitis C. The ultimate goal of Dr. Kronfli’s research is to support the development of evidence-based policies to improve carceral population health.

Dr. Kronfli is an Associate Professor in the Department of Medicine, Division of Infectious Diseases at McGill University and a Scientist at the Research Institute of the McGill University Health Centre. Dr. Kronfli's research focuses on designing, deploying, and evaluating evidence-based models of care through implementation science research to increase engagement along the hepatitis C virus care cascade for incarcerated populations. As an international leader in the elimination of hepatitis C in carceral settings, Dr. Kronfli conducts research focused on improving access to testing and treatment, as well as harm reduction services, in both Canadian federal and provincial prisons. She is the Vice-Chair of the International Network of Health and Hepatitis among Substance Users – Prisons (INHSU Prisons) and a Principal Investigator of the Canadian Network on Hepatitis C. The ultimate goal of Dr. Kronfli’s research is to support the development of evidence-based policies to improve carceral population health.

Matthew is an International Board member with International Network of Health and Hepatitis in Substance Users, and a drug culture advisor with ChangeMark Research and Evaluation. He was previously the program manager with the Canadian Association of People Who Use Drugs. His freelance writing has appeared in publications including The Conversation, CATIE, Doctors Nova Scotia, Policy Options and The Coast. Matthew was also on the 64th Canadian delegation to the Commission on Narcotic Drugs. He is a current drug user and a formerly incarcerated person.

Andrew Ivsins uses qualitative and community-based methods to explore how socio-structural factors shape social and health inequities experienced by people who use drugs and people living with HIV. His current work has focused on impacts of the unregulated drug supply and innovative responses to the ongoing overdose crisis.