Nadir Cardozo, an HPTN 083 Community Working Group member, is part of the Community Participation and Social Research Team at Fundación Huésped in Buenos Aires. At the age of 20, Nadir had to migrate to Buenos Aires due to gender identity and stigma discrimination. Nadir is also an activist and trans-militant with the Association of Transvestites, Transsexuals, and Transgenders of Argentina (ATTITA).