Marquita Lewis, PhD
Postdoctoral Research Associate, Division of Public Health Sciences
Department of Surgery
lewism@wudosis.wustl.edu
314-747-0483

EDUCATION
PhD, University of Alabama at Birmingham, 2016
MPH, University of Alabama at Birmingham, 2011
MS, Southern Illinois University-Springfield Campus, 2007
BS, University of North Carolina at Wilmington

RESEARCH
Dr. Lewis’ research interests primarily focuses on social determinants of health and community based participatory research.  Her previous research has investigated the association of social determinants of health, namely socioeconomic status, access to care and social support, and congenital heart disease (CHD) incidence. She has also investigated novel methods to evaluate training and protocol adherence of community lay workers who deliver a diabetes management curriculum to community members.


Ana Salazar Zetina, MD, MPHS
Postdoctoral Research Associate, Division of Public Health Sciences
Department of Surgery
a.salaza@wustl.edu
(314) 273-9043

EDUCATION
MPHS, Washington University in St. Louis, 2018
MD, Universidad Francisco Marroquin – Guatemala, 2014
BS, Universidad Francisco Marroquin – Guatemala, 2009

RESEARCH
Dr. Salazar’s research focuses on understanding cancer risk and developing effective strategies to improve cancer prevention. She is particularly interested in disseminating and implementing successful interventions to reduce cancer health disparities, especially among vulnerable and under-represented populations.


Caroline Mohrmann, PhD, RN, CPNP-AC
Postdoctoral Research Associate, Division of Public Health Sciences, Department of Surgery
Nurse Practitioner, Division of Pediatric Hematology/Oncology, Department of Pediatrics
mohrmann@wustl.edu

EDUCATION
PhD, University of Missouri, 2017
MSN, Vanderbilt University, 2009
BSN, Lipscomb University, 2007

RESEARCH
Dr. Mohrmann’s research focuses on improving outcomes for survivors of childhood cancer. Her previous research has focused on late complications of childhood cancer therapy including chemotherapy-induced peripheral neuropathy, neurocognitive outcomes, and infertility. She plans to continue her research with childhood cancer survivors to improve risk stratification and screening for chronic conditions in this population, and to provide personalized recommendations for health maintenance after cancer therapy based on genomic and epigenetic factors.


Lisa M. Pollack, PhD
Postdoctoral Research Associate, Division of Public Health Sciences
Department of Surgery
lpollack@wustl.edu
(314) 273-9093

EDUCATION
PhD, Washington University in St. Louis, 2018
MPH, Washington University in St. Louis, 2011
MPT, St. Louis University, 2006
BS, Truman State University, 2002

RESEARCH
Dr. Pollack’s research focuses on the intersection of health disparities and women’s health. She studies disparities in screening, treatment, and underlying conditions among women receiving treatments for their conditions and the associated clinical outcomes. She uses large data sets and quantitative methods to study disparities in women’s health.


Yunan Han, MD

Postdoctoral Research Associate, Division of Public Health Sciences
Department of Surgery
yunanhan@wustl.edu
(314) 747-3722

EDUCATION
MD, China Medical University – China, 2016

RESEARCH
Dr. Han’s research focuses on breast cancer risk and outcome. Future research goals in breast cancer prevention that aim to characterize determinants of mammographic breast density, and reduce disparities in breast cancer patients is planned during her postdoctoral research program.


Edward Tsai, PhD, MPH

Postdoctoral Research Associate, Division of Public Health Sciences
Department of Surgery
etsaia@wustl.edu
(314) 286-0805

EDUCATION
PhD, University of Texas, 2019
MPH, University of Michigan, 2013
BA, Washington University in St. Louis, 2010

RESEARCH

Dr. Tsai’s research involves applying network analysis and systems science methods in the area of dissemination and implementation of evidence-based interventions for cancer prevention and control and reducing health disparities. His previous research investigated the relationship of social networks and social capital to health services access and utilization in vulnerable populations, while current projects focus on exploring predictors of mis-implementation for cancer programs in health departments, and studying their collaboration networks.


Jason Cohen, PhD

Postdoctoral Research Associate, Division of Public Health Sciences
Department of Surgery
j.d.cohen@wustl.edu
(314) 747-3964

EDUCATION
PhD, University of Illinois at Urbana-Champaign, 2019

RESEARCH

Dr. Cohen’s research focuses on improving quality of life for cancer survivors. Specifically, he works with breast and prostate cancer survivors. Dr. Cohen’s previous research explored behavioral interventions incorporating physical activity with complementary methods such as relaxation techniques and heat therapy. He is focused on integrating clinical components into behavioral interventions with the goal of enriching targeted outcomes. His current projects focus on designing clinic-based studies to help researchers understand the specific preferences of cancer survivors for improving adherence to personalized behavioral interventions both during and following treatment cycles. Dr. Cohen is also interested in designing disseminable aerobic exercise programs for underserved cancer survivors.


Julie Spray, PhD

Postdoctoral Research Associate, Division of Public Health Sciences
Department of Surgery
julie.spray@wustl.edu
(314) 273-3831

EDUCATION
PhD, University of Auckland, 2018
MA, University of Auckland, 2012
BA Hons, University of Auckland, 2011
BFA Hons, University of Auckland, 2009
BA, University of Auckland, 2009

RESEARCH
Dr. Spray’s research interests involve child health and health policy, health inequities, and interdisciplinarity, with particular focus on rheumatic fever and asthma. As a medical anthropologist, she is interested in translating knowledge generated in social sciences into public health, policy, and clinical fields. Her previous research has investigated children’s negotiations with health and illness in school contexts.