Prevention Research Center In the Department of Medicine

Postdoctoral Fellows

Postdoctoral Fellow Research Interests  
Banda, Jorge A., PhD Dr. Banda’s research aims to design, test, and disseminate creative solutions for child physical activity in after-school settings. His work emphasizes innovative data analysis methods with the current generation of triaxial accelerometers to rigorously evaluate interventions and to explore relationships between physical activity, sedentary behavior, and health among youth. A second line of research focuses on built environment and policy interventions targeting physical activity, healthful eating, and obesity. Contact Info
Hartle, Jennifer C., DrPH, MHS, CIH Dr. Hartle’s research applies exposure science and environmental health approaches to refine dietary assessment methods for environmental exposures. She is also interested in risk science and food justice issues. Her research is designed to inform environmental health and food system policy. Jennifer’s current efforts are an extension of her doctoral research at Johns Hopkins that focused on equity as it relates to dietary environmental exposures. For her dissertation, she examined bisphenol-A (BPA) exposures in the food system and determined from national dietary datasets that populations with differing economic and racial backgrounds experience different exposures. Her doctoral project also studied public school nutrition programs and modeled potential BPA exposures from school meals. Contact Info
Johnson, Catherine Brown, PhD As a linguist with in-depth public health communication training as well as interdisciplinary industry experience, Cati Brown-Johnson PhD brings a unique perspective to the Stanford Research Prevention Center. Brown-Johnson’s current research agenda is two-fold: evaluation and utilization of social and mobile media within the sphere of public health and tobacco control, and investigation of tobacco-related stigmas (lung cancer stigma, smoking stigma) including pilot trials of technology-based stigma reduction and health care communication interventions. Under those umbrellas, Brown-Johnson is exploring public sentiment towards gun control using a dataset of 80,000 New York Times comments, investigating information contagion for health-related messages shared on Twitter, developing and partially crowdfunding a mobile iPad game to increase positive communication between lung cancer patients and providers, and prototyping a text-based (SMS) intervention for patients aimed at increasing social connection and decrease health-related stigma. Prior to joining SPRC, Brown-Johnson spent two years at UCSF’s Center for Tobacco Control Research and Education as a NIH-funded postdoctoral fellow. After her graduation in 2006 from the University of Georgia, Brown-Johnson worked in search technology and social program evaluation start-ups in San Francisco and the Bay Area. As a linguist and social science researcher, Brown-Johnson is fundamentally curious about the way we use language to create change in our lives and in public health. Contact Info
Offringa, Lisa, PhD Dr. Offringa’s research interests are medical ethnobotany, traditional medical systems, food as medicine, phytochemistry, sustainable food systems and preserving biocultural diversity. Lisa's dissertation research was on medicinal plants from Northern Thailand used to treat memory disorders in the elderly. Dr. Offringa is currently investigating medicinal and food plants used by communities in the San Francisco Bay area and ways to improve dietary intake of plant-based foods. Contact Info
White, Justin, S. PhD, MA, MSPH Applies theory from health economics and behavioral economics to understand health-related behavior in low-income settings, with a focus on tobacco use in the developing world; uses experimental and quasi-experimental methods to evaluate the effects of policies and interventions on health outcomes; studies behavioral responses to monetary and social incentives for health products. Contact Info

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