Christina Psaros, Ph.D. is a clinical health psychologist and an Associate Professor of Psychology in the Department of Psychiatry at Harvard Medical School. She is the Associate Director of the Behavioral Medicine Program at Massachusetts General Hospital where she also co-directs the Qualitative and Mixed Methods Research Unit in the Division of Clinical Research. She also has a leadership role as the Associate Director of Implementation Science in the Bio-Behavioral and Community Science Core at the Harvard University Center for AIDS research (CFAR). Her research has focused primarily on psychosocial aspects of HIV care and prevention for cisgender women and men who have sex with men, both domestically and abroad, with an emphasis on behavioral intervention development. She has led NIH funded studies in the United States (e.g., R34MH118044, R34AT009170) and South Africa (e.g., K23MH096651, R01MH112385), and developed the adherence intervention protocols for two major PrEP trials (HPTN083 and Partners PrEP). She has over 100 publications and is the first author on the Lifesteps for PrEP intervention manual, which is part of the CDC compendium of evidence-based interventions and best practices for HIV prevention. She provides mentorship to junior investigators, post-doctoral fellows, and other mentees/students around qualitative and mixed methods, intervention development, and behavioral science.