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Bich-Thuy Sim

U.S. Department of Defense

2022 fellow

Physician and thought leader in healthcare policy and innovation. An Infectious Diseases and Internal Medicine physician by training, Dr. Bich-Thuy “Twee” Sim joins the WHLDP from the Department of Defense’s (DoD) Defense Health Agency. At the DoD, Dr. Sim led the development of several Military Health System (MHS) analytics and innovation initiatives, including dashboards and tools to support providers at the point of care and in support of clinical quality policy and initiatives in the areas of HIV, COVID-19, and antimicrobial resistance. Dr. Sim has also contributed significantly to the evaluation of health disparities in the MHS in the areas of maternal and infant morbidity and mortality. Most recently, Dr. Sim was on detail to the HHS Assistant Secretary for Preparedness and Response, where she led the Healthcare Resilience Task Force and Working Group on the COVID-19 Federal Response in coordinating whole-of-government interventions to ensure resiliency of the US health system, workforce and supply chain.

Prior to joining the DoD, Dr. Sim was an Assistant Clinical Professor of Medicine at Harvard Medical School working to advance global medicine and clinical education in the areas of HIV and infectious diseases. Her diverse and extensive background also includes previous roles in public health and private industry sectors in the areas of infectious diseases and information technology.

Dr. Sim received her undergraduate degrees in Biophysics/ Biochemistry and Chemical/ Biomedical Engineering. She earned her M.D. from the University of Texas Medical School in San Antonio and completed her training at Temple University in Philadelphia, PA, and Brown University in Providence, RI, where she continues to see patients monthly.

Dr. Sim joins the White House Office of Science and Technology Policy as Assistant Director for Transformative Medicine and Health Innovation. As a WHLDP fellow, Dr. Sim will take a systems approach to identify policy levers to advance evidence-based medicine and support innovation in clinical and public health settings.

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