Ruiyi Tian is an MPH student specializing in Epidemiology/Biostatistics and a research assistant on the PRC Core Research Project (Principal Investigator: Dr. Ross Brownson). The core research project aims at developing and disseminating approaches to increase the implementation of evidence-based policies (EBPs) to reduce obesity disparities and promote health equity, focusing on the uptake of effective local-level policies. She received her undergraduate degree in Applied Mathematics from the University of California, Los Angeles. Her research interests include obesity and chronic disease-related environmental and genetic epidemiology. She loves to listen to movie soundtracks and play violin in her free time.