Martin Choo is the Managing Director and Trustee of the Asia Pacific Council of AIDS Service Organizations (APCASO), a Malaysian public limited company and charity licensed by the Ministry of Domestic Trade and Consumer Affairs. Martin has been an AIDS activist based in Kuala Lumpur, Malaysia for a decade. He is trained in sociological research and has a Master of Medical Science in Public Health from the University of Malaya in Kuala Lumpur. He currently champions the equitable access to mental and sexual healthcare in the Asia Pacific region with community systems interventions that reflect the socio-cultural norms and meet the needs of key populations. Martin has contributed to HIV advocacy at global, regional, national and local levels: He has crafted global policy and guidelines for WHO/UNAIDS; conducted peer-led research on negotiating positive living for the staff association of people living with HIV in the United Nations (UN Plus) and the Asia Pacific Network of People Living with HIV (APN+); and developed a differentiated service delivery approach to HIV care that minimises attrition from care for the Kuala Lumpur AIDS Support Services Society (KLASS) in Malaysia. Martin is a member of the WHO Steering Group on HIV Drug Resistance Research Network, and have served on Clinical and Consolidated Guidelines Development Groups on the use of antiretroviral drugs for treating and preventing HIV infection (2019, 2017, 2015), HIV testing services (2015), HIV self-testing (2016), and on HIV drug resistance (2017). Martin believes in, and fights for, equitable and sustainable access to HIV treatment. He has been living with HIV since 2004.