Lynn E. Fiellin, M.D. is Associate Professor of Medicine at Yale University School of Medicine and at the Yale Child Study Center. She was a practicing HIV physician at Yale for close to 17 years and her research and clinical training is in the areas of substance use disorders and HIV/AIDS prevention and treatment. In 2002, she was awarded the National Institute on Drug Abuse (NIDA) Physician Scientist Training Award, which provided her with five years of funding to focus on the area of evaluating strategies to optimize the care and prevention of HIV in individuals with substance use disorders. She was the former Chair of the SGIM HIV/AIDS Task Force and was Co-Principal Investigator (PI) at Yale’s demonstration site for one of the Health Resources and Services Administration’s (HRSA) Special Projects of National Significance that over the five-year funding period examined the integration of buprenorphine treatment into HIV clinical settings. She was funded by the Robert Wood Johnson Foundation to develop a risk reduction and HIV counseling intervention for individuals being seen in primary care clinics for the treatment of opioid use disorders and she completed and published the results of a pilot study conducted in the Emergency Department examining the impact of brief sexual risk reduction and alcohol counseling coupled with rapid HIV testing. She worked extensively with the CDC on the campaign to institute routine HIV screening in primary care clinics. She was recently PI on an NIAAA-funded study to treat heavy drinking in HIV-infected individuals and was PI on a National Institute of Child Health and Human Development (NICHD)-funded study that focused on the development and testing of an interactive videogame for the purposes of training young at-risk teens in making healthy decisions around sexual risk and drug/alcohol use in order to decrease their likelihood of HIV infection. With this NICHD funding she established the play2PREVENT Lab at Yale and more recently the Yale Center for Health and Learning Games, a premier research program in ‘serious games’ to develop effective videogame technology interventions for risk reduction, prevention and health promotion in adolescents and young adults. She was also Co-PI on an NICHD-funded Phase I STTR grant to adapt and evaluate a version of the HIV prevention game with a greater focus on promoting HIV testing and counseling in adolescents. Most recently, she was awarded the Phase 2 portion of the STTR grant to further expand on the HIV testing and counseling game and evaluate it in a large-scale randomized controlled trial.