Margaret A. Priestley, MD, is an attending intensivist in Critical Care Medicine at Children's Hospital of Philadelphia with expertise in cerebral hypoxic-ischemic injury. She received her bachelor’s degree in biology from Columbia College before matriculating to the University of Pennsylvania School of Medicine. She completed her general pediatric residency and pediatric critical care medicine fellowship at The Children’s Hospital of Philadelphia. Dr. Priestley is also a graduate of the Intermountain Advanced Training Program in Healthcare Delivery Improvement at Intermountain Healthcare, Salt Lake City, Utah. Currently, Dr. Priestley is the senior medical director of critical care which spans a 60-bed pediatric intensive care unit and a 24-bed progressive care unit for technology dependent children. She continues to serve as one of the leaders of the PICU & Progressive Care Unit Patient Safety and Quality Improvement Committee in addition to being a member of the Physician Operations Leadership team for the CHOP Enterprise. Her academic interests are in the early recognition and response to deteriorating patients outside of the intensive care units, prevention of hospital acquired harm, and supporting clinical pathway development which improves delivery of ICU care with a goal to reduce ICU length of stay.