Marci Drees, M.D., MS, FACP, FSHEA, DTMH, is the chief infection prevention officer and hospital epidemiologist for ChristianaCare, where she has served since 2007.

Her other roles in the health system include working as an attending in infectious diseases for the ChristianaCare William J. Holloway Community Program serving those living with HIV and HCV. Dr. Drees also is an associate professor in the Department of Medicine at the Sidney Kimmel Medical College of Thomas Jefferson University in Philadelphia, and serves on the State of Delaware Healthcare-Associated Infections Advisory Committee and the Delaware Immunization Coalition.

Dr. Drees graduated from the University of Chicago Pritzker School of Medicine in 1998. She was a resident in internal medicine at the University of Colorado Health Sciences Center in Denver. She also completed a diploma of tropical medicine and hygiene at the London School of Hygiene and Tropical Medicine in England.

Her work in public health and epidemiology began in 2002, when she became an officer in the Epidemic Intelligence Service for the Centers for Disease Control and Prevention. During this two-year training program, she was stationed with the Delaware Division of Public Health in Dover. She spent the next three years at Tufts Medical Center in Boston, where she completed her fellowship in geographic medicine and infectious diseases. She also earned a master’s degree in clinical research at the Sackler School of Graduate Biomedical Sciences at Tufts University.

Her clinical research has covered topics such as infant mortality, flu vaccination, outpatient antibiotic use, healthcare-associated infections and disease outbreaks.

Dr. Drees is a member of the SHEA Research Network, and has served on the SHEA Research Committee. She will serve as chair the SHEA Education Committee in 2021-22, is a member of the SHEA Community-based Hospital Epidemiologists task force, and is the SHEA liaison to the CDC's Advisory Council on Immunization Practice (ACIP).