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INPUD’s Secretariat, which is registered in the United Kingdom, works on policy and advocacy, programmes, finance and administration, and management.

Judy Chang, Executive Director
Judy Chang has been the Executive Director of INPUD since 2017. She worked in the HIV, community health and development field from 2009 – 2015, across areas of programme management, resource mobilisation, and communications, in India, China and Thailand. As a woman who uses drugs, she brings lived experience of over 20 years to her role as a global advocate for decriminalisation, harm reduction and community-leadership. Judy has served on several steering committees, advisory boards and working groups related to global health governance, bringing the voice and perspectives of people who use drugs. She holds a Master’s in International Development and a Bachelor of Arts in Writing and Contemporary Cultures and has published widely on issues related to people who use drugs, spanning harm reduction, human rights and feminist theory and practice.

Jake Agliata, Policy and Communications Officer
Jake joined the INPUD secretariat as Policy and Communications Officer in 2019. He previously worked for Students for Sensible Drug Policy where he expanded and managed the organisation’s international programs, including youth-led advocacy at the United Nations. Jake has also previously conducted research regarding the effectiveness of international human rights mechanisms in addressing racial discrimination in the policing of drug policies. He is from and currently lives in Philadelphia, USA and holds an M.A. in Human Rights from Central European University and a B.A. in International Studies from Dickinson College. ​

Gayané Arustamyan, Program officer
Gaya has worked in the HIV/AIDS and international development sector for the past ten years. Her areas of experience encompass harm reduction, human rights and gender programmes, community empowerment, as well as advocacy for domestic funding for key and vulnerable populations. Prior to INPUD Gaya worked at the Global Fund Community, Rights and Gender Department and the Eurasian Harm Reduction Network. Gaya holds a Master of Public Health and a PhD in Economic Sciences. 

Tina Chkhaidze, Finance Manager
Tina started working with INPUD as our Finance Officer in April 2018. Previously, she has worked in the British Citizens Advice Bureau in their Accounts Department. Tina holds an MSc in Finance from the University of Greenwich, and has also taken professional courses in ACCA.

Rico Gustav, Senior Technical Advisor
Rico is an Indonesian health and development activist, currently based in Amsterdam, the Netherlands. Rico has been working & advocating on issues related to AIDS, drug use and marginalized populations since 1999. Rico was recently the Executive Director of the Global Network of People living with HIV (GNP+), chair of Strategy Committee of the Global Fund and has also served as the Board Member of Communities Delegation to the Global Fund for AIDS, Tuberculosis and Malaria (GFATM) since February 2014 and was a member of the Strategy Committee to the Board of GFATM. Rico has extensive experience leading and managing advocacy projects and grants at the global, national and regional levels that engage multiple actors and target audiences.

Kim Jackson, Office Manager
Kim started working with INPUD as the Office Manager in May 2020. She has worked in the charity sector for over 10 years as an Office and Operations manager in a number of international development and peer based organisations.

Annie Madden, RCF Exceptional Opportunity Project Lead

Policy Settings’ through the University of New South Wales (UNSW). Prior to this, Annie was the CEO of the Australian Injecting & Illicit Drug Users League (AIVL) from 2000 – 2016 and the EO of the NSW Users & AIDS Association (NUAA) from 1994 – 2000. She also works 2 days/week as the ED of Harm Reduction Australia (HRA) of which she is a founding member. Annie previously worked with INPUD as a lead consultant on our peer-led research regarding COVID-19, drug decriminalisation and a WHO key populations qualitative study. She joins us 3 days/week as the RCF Exceptional Opportunity Funding Project Lead, where she will oversee grant projects which includes INPUD, ENPUD and SANPUD. 

Olga Szubert, Programme Oversight
Olga joined the INPUD Secretariat full-time in August 2022 and is responsible for programme oversight. Previously Olga worked as Senior Policy Officer at Harm Reduction International (HRI) where she undertook original research and policy analysis of emerging and current priorities for harm reduction funding, developed advocacy recommendations for the UN and governments and managed HRI’s campaign for a redirection of funds from ineffective drug law enforcement to harm reduction. Prior to HRI, Olga worked as International Officer at Stonewall – leading LGBTQI organisation in the UK, and as Policy Officer at Frontline AIDS. Between March and August 2022, Olga worked for a Polish humanitarian organisation supporting Ukrainian refugees.

Aditia Taslim, Advocacy Officer
Aditia has been involved in the HIV and drugs movement since 2005. His involvement started with an Indonesian-based community-led organisation, Rumah Cemara, focusing on different range of services for people who use drugs and people living with HIV in general. In the early days, his work focused on the initiation of harm reduction services for the very first time in Indonesia. He was also part of the initiation of a drug-user movement in Indonesia which eventually led to the development of a national network of people who use drugs. In 2018-2020, Aditia was one of the Asia Pacific NGO Delegates to the UNAIDS Programme Coordinating Board (PCB), bringing the voice of Asia Pacific region and his living experience as both a person who use drugs and who lives with HIV.


INPUD is governed by a Board of Directors representing the eight regional member networks and INWUD. These Directors are elected by the regions, are responsible for the stewardship of INPUD, and accountable to the Boards of Steering Committees of their respective networks.

Louise Beale Vincent, United States (Vice Chair)
Representative of North American Network of People who Use Drugs (NANPUD)

Hassan Turaif, Bahrain (Treasurer)
Representative of Middle East and North African Network of People who Use Drugs (MENANPUD)

Happy Assan, Tanzania
Representative of International Network of Women who Use Drugs (INWUD)

Anton Basenko, Ukraine
Representative of Eurasian Network of People who Use Drugs (ENPUD)

Ernesto Cortes, Costa Rica
Representative of Latin American Network of People who Use Drugs (LANPUD)

Jane Marie Dicka, Australia
Representative of Pasifika Network of People who Use Drugs (PasifikaNPUD)

John Melhus, Netherlands
Representative of European Network of People who Use Drugs (EuroNPUD)

Johann P Nadela, Philippines
Representative of Network of Asian People who Use Drugs (NAPUD)

Kassim Nyuni, Zanzibar
Representative of African Network of People who Use Drugs (AfricaNPUD)