Dr. Napolitano uses behavioral science principles and communication techniques to develop, implement and evaluate physical activity and weight management programs for delivery via digital strategies. Her work focuses across the lifespan, with a particular emphasis on the postpartum period and young adulthood. She is interested in the developmental life stage of emerging adulthood and understanding the formation of positive eating and exercise behaviors, as well as health-risk behaviors such as disordered eating and tobacco use. Dr. Napolitano has been funded as the PI of a two-site NIH R01 (DK 100916) examining the efficacy of digital strategies for promoting weight management among young adults, and as MPI (along with Drs. Evans and Harrington) of an NIH R21 project to develop a weight management digital program for post-partum African American women. She is a Fellow of the Society of Behavioral Medicine. Dr. Napolitano was a Consultant to the 2018 Physical Activity Guidelines Advisory Committee, specifically working with the Physical Activity Promotion Subcommittee. She has served in review and editorial capacities as a standing member of the NIH Psychosocial Risk and Disease Prevention Study Section and Senior Associate Editor of the Journal of Physical Activity and Health. She is the Society of Behavioral Medicine's representative to the Roundtable on Obesity Solutions, National Academies of Sciences, Engineering, and Medicine. Prior to joining GWU in 2012, Dr. Napolitano was on the faculties of Brown Medical School and Temple University at which she was also a research scientist at the Center for Obesity Research and Education.