Amanita Calderón-Cifuentes (she/her) is a Colombian Two-Spirit scientist and passionate trans activist with over a decade of research expertise in microbiology and cellular stress responses. Her work focuses on sexual and reproductive health and rights, particularly in addressing infectious diseases like HIV and mpox. As a molecular microbiologist living with HIV, Amanita uniquely combines scientific knowledge with lived experience, serving as a bridge between research and community advocacy. She has collaborated with organizations such as Gilead Sciences, ViiV Healthcare, EATG, and AAE on educational and advocacy initiatives related to HIV.

Fionnuala Murphy is Head of Global Advocacy at Frontline AIDS, a global partnership of civil society and community organisations working together to end AIDS. She has been in her current role since 2019, working with partner organisations from around the world to advance advocacy on HIV prevention, human rights and gender justice, and the sustainability of the community-led response to HIV and AIDS. Fionnuala has been a campaigner and advocate on HIV, SRHR, and health justice issues for more than 20 years, and has worked at Harm Reduction International, ActionAid, and Youth STOPAIDS, among other organisations. She grew up in Northern Ireland and draws on her personal experiences of conflict, colonialism, and community leadership in her approaches to advocacy and partnerships today. She holds degrees in Law and Journalism.

Aleksei Lakhov has more than 15 years of experience in the area of HIV and AIDS, viral hepatitis, substance use, and harm reduction. His work experiences include being the Development Director of the largest Russian harm reduction organization « Humanitarian Action » (Saint Petersburg); General Manager of the Harm Reduction NGOs Coalition « Outreach » (Tallinn, Estonia); Steering Committee member of the Eurasian Harm Reduction Association; and World Health Organization (WHO) and United Nations Office on Drugs and Crime (UNODC) consultant.

Erika Castellanos represents Trans United Europe and is committed to the empowerment of trans, gender diverse and intersex communities. Erika started her activism on HIV and sex workers issues and has lived expertise as a person living with HIV, sex worker, drug use, incarcerated and migrant. Erika uses her diverse background to connect with and support communities who are under-served. She is a social worker, studied LGBTI health research at the University of Pittsburgh and is currently pursuing advancing her education in public health.