Pediatric Surgery
![Patrick A. Dillon, MD](https://surgery.wustl.edu/wp-content/uploads/2018/03/DillonPFacListing-2ma6s78-280x386.jpg)
Patrick A. Dillon, MD
- Phone: 314-454-6022
Assistant Professor of Surgery
Division of Pediatric Surgery
Program Director, Pediatric Surgery Fellowship Program
![Colin A. Martin, MD, FAAP, FACS](https://surgery.wustl.edu/wp-content/uploads/2023/09/Martin-Colin_Surg_01-e1694803937307-280x386.jpg)
Colin A. Martin, MD, FAAP, FACS
Brad and Barbara Warner Endowed Professor of Surgery
Chief, Division of Pediatric Surgery
Pediatric Surgeon-in-Chief, St. Louis Children's Hospital
![Jesse D. Vrecenak, MD](https://surgery.wustl.edu/wp-content/uploads/2018/03/VrecenakJFacListing-1n0tw2o-280x386.jpg)
Jesse D. Vrecenak, MD
- Phone: 314-454-6022
Assistant Professor of Surgery
Division of Pediatric Surgery
![Brad W. Warner, MD](https://surgery.wustl.edu/wp-content/uploads/2018/03/Warner-Brad_Surg__01_1400x1930-280x386-1.png)
Brad W. Warner, MD
Jessie L. Ternberg, MD PhD Distinguished Professor of Pediatric Surgery
- Phone: 314-454-6022
Division of Pediatric Surgery