Dr. Nasir is a lecturer at the Department of Health Promotion and Behavioural Sciences at the Faculty of Public Health Hasanuddin University. His area of interests are medical anthropology, youth health, risk-taking behaviours and infectious diseases particularly HIV and STIs. He has conducted research on various topics related to HIV and STIs including the social context of HIV-related risk-taking behaviours among young people in low income neighbourhoods in Makassar. He have been involved in HIV prevention programs in South Sulawesi since mid 1990s. He has published some articles in international academic journals in the above areas.