Dr. Pathariya Promsena, MD is an infectious diseases pediatrician with a special interest in pediatric and adolescent HIV, sexually transmitted infection (STI) and tuberculosis. She is a research physician at SEARCH Research Foundation and a special lecturer in pediatric infectious diseases fellowship program, Faculty of Medicine, Chulalongkorn University. Currently her team’s ongoing research focuses on STI diagnosis/treatment/vaccine and acute HIV infection cohort. Dr. Promsena is a member of the pediatric infectious disease society of Thailand. She also serves as a physician at Buddy CU Clinic, an adolescent-friendly comprehensive HIV/STI one-stop service for adolescents and young adults at King Chulalongkorn Memorial Hospital.