Luís is a Chair of the Board of GAT – Grupo de Ativistas em Tratamentos (Treatment Activist Group), an NGO founded in 2001 working in prevention, early diagnosis, treatment and care of HIV/AIDS. Luís is also the founder of the AntiProhibitionist Association and represents Portugal in the Civil Society Forum on HIV/AIDS at the European Commission. He is a member of the European AIDS Treatment Group and also integrates the Steering Committee of the HIVPORTUGAL initiative. For the last ten years, he has been community consultant of the Regional Office of the World Health Organization Europe, EMCDDA and ECDC. Luís was diagnosed with HIV and HCV in 1996.