Angela K ShenAngela K. Shen, ScD, MPH, is a retired Captain from the U.S. Public Health Service, Adjunct Associate Professor in the School of Medicine and Senior Fellow at the Leonard Davis Institute of Health Economics at the University of Pennsylvania, and Visiing Scientist at Children's Hospital of Philadelphia. She is a vaccine policy expert and health services researcher with over 25 years of experience, specializing at the intersection of policy and practice in health disparities, quality measurement, access to immunization services, vaccine confidence, and barriers to innovation. During her 22-year federal career Dr. Shen held leadership roles in the U.S. government health infrastructure at the U.S. Department of Health and Human Services--including the Centers for Disease Control and Prevention, Food and Drug Administration, Administration for Children and Families, and Office of the Assistant Secretary for Health--and the Department of State in the U.S. Agency for International Development. Read More Read Less