Megan Cooper, MD, PhD, is a pediatric rheumatologist/immunologist at St. Louis Children’s Hospital. She is the Director of Clinical Immunology at Children’s and an Associate Director of the Medical Scientist Training Program at Washington University School of Medicine. She received her MD and PhD from The Ohio State University before coming to Washington University School of Medicine in St. Louis for her pediatric residency and fellowship in pediatric rheumatology. Currently, her lab focuses on elucidating mechanisms of immune cell control with an interest in both natural killer (NK) cell activation and the molecular mechanisms of pediatric immune-mediated disease.