Division DIrectors
![Cassandra M. Pruitt, MD, FAAP](https://pediatrics.wustl.edu/app/uploads/2022/02/PruittCasey_300-280x386-1-280x386.jpeg)
Cassandra M. Pruitt, MD, FAAP
Professor of Pediatrics, Academic Pediatrics
Associate Pediatric Residency Program Director
Director, Academic Pediatrics
Medical Director, General Pediatrics and Complex Care Clinic
Vice Chair, Outpatient Health
- Phone: 314-454-6300
![Kimberly S. Quayle, MD](https://pediatrics.wustl.edu/app/uploads/2021/12/Kimberly-Quayle-280x386-1-280x386.jpeg)
Kimberly S. Quayle, MD
Professor of Pediatrics, Emergency Medicine
Dana Brown Chair in Pediatric Emergency Medicine
Division Director, Pediatric Emergency Medicine
- Phone: 314-454-2341
![Ronald C. Rubenstein, MD, PhD](https://pediatrics.wustl.edu/app/uploads/2022/08/Rubenstein-Ron_Peds_01-280x386.jpg)
Ronald C. Rubenstein, MD, PhD
Professor of Pediatrics, Allergy and Pulmonary Medicine
Division Director, Allergy and Pulmonary Medicine
Robert C. Strunk Endowed Chair for Lung and Respiratory Research
- Phone: 314-454-2694
![Phillip I. Tarr, MD](https://pediatrics.wustl.edu/app/uploads/2021/11/Phillip-Tarr-280x386.jpeg)
Phillip I. Tarr, MD
Professor of Molecular Microbiology
Melvin E. Carnahan Professor of Pediatrics
Co-Leader, Pathobiology Research Unit, Department of Pediatrics
Division Director, Gastroenterology, Hepatology and Nutrition
- Phone: 314-454-6173
![Barbara B. Warner, MD, MSc](https://pediatrics.wustl.edu/app/uploads/2021/12/Barbara-Warner-280x386-1-280x386.jpeg)
Barbara B. Warner, MD, MSc
Professor of Pediatrics, Newborn Medicine
F. Sessions Cole, MD, Chair in Newborn Medicine
Division Director, Division of Newborn Medicine
- Phone: 314-454-2683