Working with PWID in since 2007; currently working with the Alliance for Public Health, Ukraine, managing the project on expanding access to long-acting depot buprenorphine in Egypt and Kyrgyzstan.

Dr Ewan Colman is an academic applying mathematical modelling to problems in infectious disease epidemiology. He has a PhD in mathematics, and has researched areas including social network analysis, animal behaviour, economics, and public health. He is currently studying Hepatitis C and HIV transmission in people who inject drugs.

Dr Dzmitry Krupchanka is a Medical Officer at the Alcohol, Drugs and Addictive Behaviours Unit (ADA), Department of Mental Health, Brain Health and Substance Use (MSD) of the World Health Organization (WHO). In this role he is responsible for implementing a range of activities in prevention, treatment and care of disorders due substance use, addictive behaviours and related health conditions. This includes contribution to WHO normative guidance and technical support to countries, generation, and dissemination of evidence through international research projects, workforce development, monitoring and evaluation, enhancing joint efforts and advocacy in the area of alcohol, drugs and addictive behaviours. Dzmitry is a medical doctor and psychiatrist by professional background (Belarusian State Medical University, Belarus) with a MSc degree in Global Mental Health (University of London, UK) and PhDs in Clinical Psychiatry and Global Health (University of Geneva, Switzerland).

Vielta Parkhomenko is a feminist activist from Ukraine with lived experience of drug use. She uses her personal story to support and empower other women who use drugs. Vielta holds a Master’s degree in Psychology and has over a decade of experience in NGO leadership, training development, and project coordination.