Dr. Lynne Mofenson received her medical degree with honors (Alpha Omega Alpha) from Einstein in 1977. She then completed a pediatric residency at Boston Children’s Hospital and finished a pediatric chief residency and joint adult/pediatric infectious disease fellowship at the University of Massachusetts Medical School. An infectious disease specialist, she is chief of the pediatric, Adolescent & Maternal AIDS Branch (PAMAB) at the Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) at the National Institutes of Health (NIH). Prior to the NIH, she served as assistant commissioner for public health in Massachusetts, where she directed the Communicable Disease Program for the Massachusetts Department of Public Health (DPH). Prior to her work in the DPH, she had a private practice in adult and pediatric infectious diseases and in pediatrics in Massachusetts. She arrived at the NIH in 1989 and was named chief of PAMAB in 2001. In her leadership role, Dr. Mofenson is responsible for program planning and for the development and scientific direction of research studies and clinical trials in domestic and international pediatric, adolescent, and maternal HIV infection, disease, and AIDS. She also is project officer for the multi-site NICHD International and Domestic Pediatric and Perinatal NIH Clinical Trials Network that conducts clinical trials in HIV-infected children and pregnant women domestically and around the world. She has published extensively on treatment of HIV infection in children and women, and on prevention of mother-to-child transmission of HIV, and is involved in many national and international policy and guideline groups related to HIV infection in children and women, including serving as a consultant to the World Health Organization on issues related to antiretroviral treatment and care of HIV-infected women and their children. Among her numerous honors, in 2006, Dr. Mofenson received the inaugural NIH AIDS Day Award.