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
Grieco, Lauren, PhD Dr. Grieco's research focuses on the design, development and clinical testing of new technologies for improving behavioral health outcomes; and design of innovative, evidence-based programs to optimize health and productivity among individuals and in the workplace. 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
Sheats, Jylana, PhD Dr. Sheats interest include psychosocial, behavioral and environmental determinants of physical activity and healthy eating; food choice; the impact of contextual factors on the health outcomes of minority and aging populations, respectively; the development of technology-based physical activity and nutrition interventions; settings-based health promotion; health-related implications of Smart Growth; nutrition and physical activity-related policy. 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
Winter, Sandra, PhD Community informed participatory research intervention studies aimed at preventing chronic disease through the promotion of physical activity and healthful diet. Target populations include mid-life and older adults, Latinos, adolescents and individuals and communities of low socio-economic status. Interventions include the use of technology and community empowerment through advocacy and leadership skill-building. Assessing the impact of the built and social environments on physical activity and nutrition. Contact Info
Young-Wolff, Kelly, PhD, MPH Dr. Young-Wolff's research focuses on understanding the mechanisms through which environmental and genetic factors increase risk for the development of addictive behaviors and substance use disorders. She received a PhD in Clinical Psychology and an MPH from the University of Southern California in 2012. A three-year predoctoral NRSA Fellowship from the National Institute of Alcohol Abuse and Alcoholism (NIAAA), supported her dissertation research, and she has worked extensively with large datasets in the fields of stress, addiction, substance use comorbidity and policy. She completed her predoctoral clinical fellowship at Yale University and is currently an NHLBI T32 postdoctoral fellow with the Stanford Prevention Research Center working with Drs. Jodi Prochaska and Lisa Henriksen on clinical trials and environmental studies of tobacco use in high-risk populations. Dr. Young-Wolff is currently assisting with the start up of a clinical trial for smoking cessation at the Stanford School of Medicine inpatient psychiatry unit, and conducting research to examine the relation between secondhand smoke exposure and smoking severity among adult smokers with mental illness. In 2012, she received the Award for Outstanding Dissertation in Trauma Psychology and the Anastasi General Psychology Recognition Award from the American Psychological Association, the Gordis Graduate Student Research Award from the Research Society on Alcoholism, and the PhD Achievement Award Honorable Mention from the University of Southern California. Contact Info

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