Advocacy in HIV care: From practice to impact

Dr Tristan Barber (he/them) is a Consultant Physician in HIV Medicine at the Royal Free Hospital, Honorary Associate Professor at the Institute for Global Health, University College London, and Chair of the British HIV Association (BHIVA). Tristan is Immediate Past Chair for the peer support charity Positively UK and has been living with HIV since 2002. Tristan established a dedicated frailty service for people with HIV in 2019 (The Sage Clinic) and has a research background in HIV-related neurocognitive impairment and antiretroviral clinical trials. He is passionate about global health and ending HIV related stigma.

Linah Kampilimba Mwango is a dedicated public health professional with over a decade of experience advancing HIV prevention, advocacy, and health equity for underserved communities. An HIV Nurse Practitioner, International AIDS Society Person-Centred Care Fellow, and Technical Director at Ciheb Zambia, she provides strategic leadership in program development, implementation, and evidence-based HIV interventions. She has championed advocacy initiatives that have influenced health policy, expanded access to integrated HIV and substance use services, and promoted person-centered care for key and priority populations. Her work reflects a strong commitment to equity, innovation, human rights, and strengthening sustainable HIV prevention and treatment systems.

Dr Rayner Kay Jin Tan leads The Courage Lab at the Saw Swee Hock School of Public Health, National University of Singapore. He is an implementation researcher and applied social scientist with expertise in community engagement in health and health equity as applied in the fields of infectious diseases, mental health, and LGBTQ+ health. He is an incoming Governing Council member of the International AIDS Society, a member of the WHO Technical Advisory Group on Sexually Transmitted Infections, and Communications Director of the International Union against Sexually Transmitted Infections, and leads several nonprofit and professional organisations that advance behavioural health and the welfare of marginalised communities.

Bonaventure Ukoaka is a medical doctor and clinical researcher. He holds degrees in Biochemistry and Medicine from Nigeria, and a Primary Fellowship in Internal Medicine from the West African College of Physicians. Bonaventure works with ECEWS, a Nigerian NGO, and is currently undertaking research and clinical training at the Desmond Tutu Health Foundation and Groote Schuur Hospital, Cape Town, South Africa, under the IAS Mark Wainberg Fellowship Programme. He leads research initiatives to embed person-centred care in HIV management and to expand integrated disease-care models for diverse populations.