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About Us: Faculty


Anna María Nápoles, PhD, MPH, is the Director of the Center for Aging in Diverse Communities and Investigator Development Core Leader. She is a Professor and behavioral epidemiologist in the Division of General Internal Medicine at UCSF. Her research focuses on patient-clinician communication, cancer disparities among underserved older adults, caregiver support, and community-based models of research and service delivery in ethnically and socioeconomically diverse groups.
Anita Stewart, PhD, is the Analysis Core Leader. She is Professor Emerita at the Institute for Health & Aging at UCSF. She has extensive experience conceptualizing and measuring health, functioning, well-being, social support, physical activity, quality of care, and other health-related concepts. As director of the Analysis Core, she identifies issues in using measures that have been tested primarily on mainstream groups in studies of diverse population groups, and how to test the conceptual and psychometric adequacy of those measures.
Steve Gregorich, PhD, is the Analysis Core Co-Leader and member of the Investigator Development Core. He is Professor of Medicine in the Division of General Internal Medicine at UCSF. He is an applied statistician with interest in behavioral public health research related to prevention. His methodological interests focus upon analysis of longitudinal and clustered data; structural equation models with latent variables; analysis with missing data; statistical power; and psychometrics.
Celia P. Kaplan, DrPH, MA, is a Leader of the Community Liaison Core and Investigator Development Core member. She is a Professor in the Department of Medicine, UCSF. She is the Director of the The Multiethnic Health Equity Research Center (MERC). A Latina researcher, she holds a doctorate in public health and a master’s degree in Latin American studies from the University of California, Los Angeles. Her past, current and future projects attest to her commitment to cancer prevention and control among minority populations. Dr. Kaplan is the Co-Director of the Minority Task Force, which promotes recruitment and retention of minorities into UCSF cancer-related clinical research projects.
Julene Johnson, PhD, is a Community Liaison and Investigator Development Core member. She is a cognitive neuroscientist and Professor at the UCSF Institute for Health & Aging. Her research program focuses on cognitive aging and covers two primary themes: 1) developing cost-effective and novel community-based programs to promote health for diverse older adults and 2) studying mild cognitive impairment as a risk for dementia and functional decline. She is currently collaborating with 12 Department of Aging and Adult Services Senior Centers in San Francisco to study the effect of a community choir program on the health and well-being of diverse older adults. She is currently on the Fulbright Specialist Roster (2012-2017).
Tung Nguyen, MD, is the Co-Leader of the Community Liaison Core and Investigator Development Core member. He holds several health disparities-focused leadership positions, e.g., Dean's Diversity Leader in charge of Diversity in Research, Director of the Asian American Research Center on Health. Dr. Nguyen was Chair of President Obama’s Advisory Commission on Asian Americans and Pacific Islanders from 2014-2017. He has conducted numerous community-engaged research projects with Asian American populations, including RCTs of interventions to promote cancer screening and hepatitis B and C testing.