Rebekka Lee is director of the Community Engagement program at Harvard Catalyst. She is a research scientist at the Harvard T.H. Chan School of Public Health in the Department of Social and Behavioral Sciences. At Harvard Catalyst, she leads courses on mixed methods, implementation science, and community-engaged research. Her research focuses on designing and evaluating community-based interventions that translate into real-world policy and environmental change, focusing in particular on investigating the contextual factors that impact effective implementation and promote health equity. She has spent over a decade working at the Prevention Research Center on Nutrition and Physical Activity, where she uses mixed methods to conduct research and evaluation with partners at the Boston Public Health Commission, Massachusetts Department of Public Health, and YMCA. At the Implementation Science Center for Cancer Control Equity, Lee is co-director of the administrative core and leads a pilot on evidence-based cancer prevention through clinical-community partnerships. She is also co-director of the Leaders in Health community training program and teaches public health course on program planning, implementation, and design.