Nittaya Phanuphak finished her medical degree from the Faculty of Medicine, Chulalongkorn University in Bangkok in 1996 with the first class honor. She had her postgraduate Dermatology training years at Siriraj Hopsital, Mahidol University, and received her Clinical Fellowship in HIV Dermatology from the University of California at San Francisco in 2000. During 2000-2002, she started her clinical work in Thailand at the Bamrasnaradura Infectious Disease Institute in Nonthaburi.
She joined the Thai Red Cross AIDS Research Centre (TRC-ARC) in Bangkok to lead a country-wide prevention of mother to child transmission (PMTCT) operational study in 2002. Her research and advocacy works have influenced PMTCT policy in Thailand and the South and South East Asia regions.
Since 2008, she has developed deep interest in the areas of HIV prevention and anal dysplasia screening among men who have sex with men (MSM). MSM Sexual Health Clinic and Anal Dysplasia Clinic were established at the TRC-ARC under her leadership.
She started the country’s first Test and Treat Study among 800 Thai MSM and Trangender women in 2012. The study has been expanded to enroll 6,000 more MSM and transgender women in community-based sites in 2015.
She received her PhD in Medicine from University of Amsterdam in 2013. In 2014, she becomes the Chief of SEARCH and the Chief of Prevention Department at TRC-ARC.