Harika Dasari is a PhD trainee at the Université de Montréal, in epidemiology and substance use research. Her doctoral work focuses on analyzing trends in overdose mortality in Canada, with a particular emphasis on the impact of housing instability and socioeconomic factors among people who inject drugs (PWID).

David Goodman-Meza is a Senior Research Associate in the Kirby Institute, UNSW Sydney since 2024. He is a clinician-scientist with expertise in Infectious Diseases and Addiction Medicine.

Dr. Oluwatosin Jegede is a Public Health Physician, Epidemiologist, and Modeler. He worked with UNODC on prison health and harm reduction. He is pursuing a PhD in Public Health at UC San Diego, modeling opioid overdose in California, hepatitis C treatment cost-effectiveness in India, and HIV incidence in South Africa.

Kristina Hnizdilova is a final year PhD student at the University of Dundee where she is supervised by Professor John Dillon and Professor Andrew Radley. The aim of her research is to investigate the ability of respiratory monitoring devices to detect respiratory patterns in people who use drugs.

Vana Sypsa is Professor of Epidemiology and Medical Statistics at the National and Kapodistrian University of Athens, Greece. Her research focuses on infectious diseases epidemiology, particularly HIV and viral hepatitis among people who inject drugs and prisoners. She serves on the European Union Drugs Agency Scientific Committee.

Alexandra Skinner is a third-year doctoral candidate in the Department of Epidemiology at Brown University School of Public Health. Her research is primarily focused on evaluating how housing and social policies shape overdose risk at local, state, and federal levels across the United States.

Alexandra Skinner is a doctoral candidate in the Department of Epidemiology at Brown University School of Public Health. Her research is primarily focused on evaluating how housing and social policies shape overdose risk at local, state, and federal levels across the United States.

Patrick Kelly is a doctoral candidate in Behavioral Social Health Sciences at the Brown University School of Public Health. His dissertation aims to understand the harmful effects of xylazine and create an eletronic health record phenotype to identify people who have been exposed to xylazine.