• Robert Graham Center Staff

    Hoon Byun, Economist
    Hoon Byun serves as an economist at the Robert Graham Center, where he takes part in research initiatives involving the primary care physician workforce, medical education, and how public health aligns with primary care. Prior to joining the Center in February 2019, Hoon assisted the CFO's Office of the American Red Cross on Volunteer Workforce engagement and retention, and prior to that, he was involved in health services research and corporate administration at the Johns Hopkins University and Health System, respectively. Hoon holds a Bachelor’s in economics from the College of William & Mary, a Master’s in economics from the University of Virginia, and a 2016 Doctorate in Public Health from the Johns Hopkins Bloomberg School of Public Health.


    Mark Carrozza, Director, HealthLandscape
    Mark Carrozza joined the Graham Center in March 2014 after the Graham Center acquired HealthLandscape. He is directly responsible for the development of successful web-based data analysis and mapping systems. Recent research includes creating “hot spots” of child abuse based on child abuse treatment records and police calls for service, exploring race disparities in Southwest Ohio, and monitoring the effect of ACA implementation on the homeless population and access to health care. Mark is also an alumni of the Larry A. Green Visiting Scholars Program at the Robert Graham Center, where he focused research related to Social Capital, Access to Care, and Health Status. He earned a master’s degree in Sociology from the University of Cincinnati and is currently completing a doctorate in the same program.


    Yoonie Chung, Health Services Researcher
    YoonKyung Chung is an economist with a background in quantitative analysis. She joined the Robert Graham Center in September 2016 as a Senior Health Services Researcher. In this role she conducts research related to measurement of primary care, practice transformation, access to care and graduate medical education. She holds a Ph.D. in Economics from the University of California, Davis. Her dissertation examined the relationship between the onset of a chronic disease and economic outcomes in the long run. Prior to joining the Center, she worked as an energy economist in areas of climate change and renewable energy at the Korean Energy Economics Institute.


    Jené Grandmont, Senior Manager for Application Development & Data Services, HealthLandscape
    Jené Grandmont joined the Robert Graham Center in March 2014 with the acquisition of HealthLandscape. Her primary responsibilities include managing geographic data, deploying and maintaining client sites, and working with users to understand how they can use data to make better informed decisions. She has extensive experience in social science research, including study design and advanced analytic techniques. Research interests include issues the count, maintenance, and distribution of the health care workforce and access to healthy foods and opportunities for active living. Jené earned a Master’s degree in Sociology from the University of Cincinnati.


    Yalda Jabbarpour, MD, Medical Director
    Yalda Jabbarpour is a family physician in Washington, DC and Medical Director of the Robert Graham Center for Policy Studies. She graduated from the Georgetown University School of Medicine in 2008 and completed her residency at the Georgetown University/Providence Hospital Family Medicine Residency Program. Upon graduation, she worked as a family physician for Scripps Health Medical Group in San Diego, California. She returned to Washington, DC in 2015 to serve as the Robert L Phillips Health Policy Fellow at the Robert Graham Center and currently serves as Medical Director. Her research interests include workforce issues such as provider burnout and the delivery and financing of primary health care.


    Anuradha Jetty, Senior Epidemiologist
    Anuradha Jetty joined the Robert Graham Center in July 2014 and currently serves as Senior Epidemiologist. Her work is focused on conducting secondary data analysis of large databases to assess the health care workforce, access, utilization, costs, and outcomes. Her career in public health includes designing and conducting cross-sectional studies to evaluate the "Open Heart Surgery Observation Health Education program” for high school students at Inova Heart and Vascular Institute and the “National Longitudinal Transition Study” of students with disabilities at the Department of Health Administration and Policy, George Mason University. She received her Bachelor of Homeopathy Medicine and Surgery from Osmania University, Hyderabad, India, and her Master of Public Health (Epidemiology) from George Mason University, Fairfax, VA.


    Douglas Kamerow, Senior Scholar
    Douglas Kamerow joined the Robert Graham Center in March 2014 as the Center’s Senior Scholar in Residence. He also teaches medical students and family medicine residents at Georgetown University as a Professor of Family Medicine and is an Associate Editor and regular columnist for the global medical journal The BMJ. Previously, Dr. Kamerow was a Chief Scientist in health services and policy research at the non-partisan research institute RTI International. For 20 years before that, he led a range of clinical, health policy, and research activities in the US Public Health Service, including the US Preventive Services Task Force, retiring as an Assistant Surgeon General in 2001. Dr. Kamerow received an AB from Harvard College, an MD from the University of Rochester, and an MPH from Johns Hopkins University.

    Jessica McCann, User Engagement Specialist, HealthLandscape
    Jessica McCann joined HealthLandscape in May 2018. Her responsibilities include direct user support, development of support materials, and new user training. She returns to the Academy after having previously served as Analytic Geographer with the Robert Graham Center. Her interests include access to care and health equity. She earned her BS in Geography and Regional Planning from Salisbury University and her MA in Geography and Urban Studies from Temple University.


    Henry Olaisen, Research Director
    Henry Olaisen joined the Robert Graham Center in October 2021 as the Research Director. His primary responsibilities include establishing research priorities and directing the research work of the Robert Graham Center; and engaging stakeholders to advance the foundational value of family medicine and primary care. As an adjunct assistant professor with Case Western Reserve University, he builds crash courses in complementary skills for aspiring data scientists. Before joining the Robert Graham Center, Henry was a federal senior survey statistician with the Department of Health and Human Services. He served as a CDC disease-detective for two years (EIS, class of 2018). Before joining CDC, Henry led a range of entrepreneurial, operational, and evaluation activities within primary and tertiary community care organizations. He earned a PhD in epidemiology & biostatistics from Case Western Reserve University School of Medicine and an MPH in community health from San José State University.


    Jennifer Rankin, Senior Manager for Research & Product Services, HealthLandscape
    Jennifer Rankin joined HealthLandscape in March 2015. Prior to this, she served as the Geospatial Informatics Senior Analyst for the Robert Graham Center. She directs all geospatial projects for HealthLandscape, most notably the UDS Mapper. Her career has focused on issues related to primary care and access to care, with a special interest in the geography of access to health care. She has worked with the HRSA Maternal and Child Health Bureau, the Texas Association of Community Health Centers, and the Association of State and Territorial Health Officials. Jennifer earned her Master of Health Administration from the Tulane School of Public Health and Tropical Medicine, as well as her Master of Science in Health Information Sciences and Master of Public Health and PhD in Public Health Informatics from The University of Texas Health Science Center at Houston.

    Michael Topmiller, Geographic Information Systems Strategist, HealthLandscape
    Michael Topmiller joined the Robert Graham Center in March 2014 following the acquisition of HealthLandscape. His primary responsibilities include managing data, creating map services, setting up and managing Community Data Portals, and providing training and technical support to users. Michael has expertise in GIS and qualitative research methods, and has past experience conducting interviews, analyzing qualitative data, and working as a GIS specialist for community-based research (CBPR) projects in Mexico, North Carolina, and Cincinnati. His current research interests include health disparities, Latino health care issues in non-traditional destinations, health and the built environment, and participatory GIS. Michael earned an MA in Latin American Studies from San Diego University and a BA in Mathematics and Secondary Education from the University of Kentucky.

    Sandra Wingate-Bey, Center Administrator
    Sandra Wingate-Bey joined the Robert Graham Center as Center Administrator in 2017. Previously, she was Director of Administrative Services at a national nonprofit organization based in Washington, DC, where she was also responsible for the daily operations of the headquarters office. Sandra has served within the nonprofit sector for the past 28 years. During that time, she managed a national awards program, more than two dozen standing and ad hoc committees staffed by member volunteers, as well as managed board elections. She also served as Assistant Board Secretary. In that role, she supported the President, President-Elect, and Immediate Past President, in their work as chairs of several committees that oversee some of the organization’s key activities. She earned a bachelor’s degree in business administration from South Carolina State University.

    Jack Westfall, MD, PhD – Director, Robert Graham Center

    Jack Westfall, Director of the Robert Graham Center
    Jack Westfall is a family doctor in Washington, DC, and Director of the Robert Graham Center for Policy Studies in Family Medicine and Primary Care. He completed his MD and MPH at the University of Kansas School of Medicine, an internship in hospital medicine in Wichita, Kansas, and his Family Medicine Residency at the University of Colorado Rose Family Medicine Program.

    After joining the faculty at the University of Colorado Department of Family Medicine, Dr. Westfall started the High Plains Research Network, a geographic community and practice-based research network in rural and frontier Colorado. He practiced family medicine in several rural communities including Limon, Ft. Morgan, and his hometown of Yuma, Colorado.

    Dr. Westfall was on the faculty of the University of Colorado for over 20 years, including serving as Associate Dean for Rural Health, Director of Community Engagement for the Colorado Clinical Translational Science Institute, AHEC Director, and Sr. Scholar at the Farley Health Policy Center. In 2019, he completed two years as the Medical Director for Whole Person Care and Health Communities at the Santa Clara County Health and Hospital and Public Health Department. His research interests include rural health, linking primary care and community health, and policies aimed at assuring a robust primary care workforce for rural, urban, and vulnerable communities.