Leo is an independent harm reduction consultant, drug user activist and Executive Director with the European Network of People who Use Drugs (EuroNPUD). They have worked in frontline harm reduction, advocacy and drug policy since 2009. They have special interest in drug checking, labour rights for people who use drugs, the regulated safe supply of drugs, community led organising and connecting street level activist groups to regional and international policy making platforms. They hold a post graduate diploma in Substance Use from Queen’s University Belfast.

Mohammad Karamouzian is an infectious disease epidemiologist. A former veterinarian (DVM) turned public health researcher, he is a Scientist at the Centre on Drug Policy Evaluation at St. Michael’s Hospital in Toronto and an Assistant Professor at the University of Toronto’s School of Public Health. He is also affiliated with the WHO Collaborating Centre for HIV Surveillance (HIVHUB) in the Middle East and North Africa. Mohammad’s research focuses on addressing health inequities faced by socio-economically marginalized populations.

Dr. Spencer is a health services researcher at Oregon Health & Science University (Portland, OR, USA) studying HCV treatment and HIV prevention in rural people who use drugs. He leads Peer-Assisted Telemedicine for Health in Substance Users (PATHS), a telemedicine program that partners with peers throughout the state to deliver on-demand access to an array of specialty healthcare.

Grace is a PhD candidate in the Viral Hepatitis Clinical Research Program at the Kirby Institute, UNSW Sydney. With her research, she aims to improve access to and the quality of infectious disease care for women from underserved populations, especially pregnant and parenting women.