2026
![Kelley Denton, MD](https://newbornmedicine.wustl.edu/files/2023/06/Kelley-Denton-MD.jpg)
Kelley Denton, MD
Mentor: Carly Schuetz, MD
Medical school: Meharry Medical College, Nashville, TN
Residency: St. Louis Children's Hospital
Washington University in St. Louis, MO
![Rafael Gutierrez, MD](https://newbornmedicine.wustl.edu/files/2023/06/Rafael-Gutierrez-MD.jpg)
Rafael Gutierrez, MD
Mentor: Rodney Newberry, MD
Medical school: University of Illinois College of Medicine, Chicago, IL
Residency: Medical College of Wisconsin, Milwaukee, WI
![Amy Hammen, DO](https://newbornmedicine.wustl.edu/files/2023/06/Amy-Hammen-DO.jpg)
Amy Hammen, DO
Mentor: Kristine Wylie, PhD
Medical school: Midwestern University College of Osteopathic Medicine, Chicago, IL
Residency: Dayton Children's Hospital
Wright State University Boonshoft School of Medicine
![Callie Marshall, MD](https://newbornmedicine.wustl.edu/files/2023/06/Callie-Marshall-MD.jpg)
Callie Marshall, MD
Mentor: Zach Vesoulis, MD, MSCI
Medical school: University of Texas Health Joe R. and Teresa Lozano Long School of Medicine, San Antonio, TX
Residency: St. Louis Children's Hospital
Washington University in St. Louis, MO
![Marina Metzler, DO](https://newbornmedicine.wustl.edu/files/2023/06/Marina-Metzler-DO.jpg)
Marina Metzler, DO
Mentor: Jennifer Wambach, MD, MS
Medical school: West Virginia School of Osteopathic Medicine, Lewisburg, WV
Residency: Nationwide Children's Hospital
Ohio State University, Columbus, OH
![Allyson Schreiber, MD, PhD](https://newbornmedicine.wustl.edu/files/2023/06/Allyson-Schreiber-MD-PhD.jpg)
Allyson Schreiber, MD, PhD
Mentor: Joseph Dougherty, PhD
Medical school: Louisiana State University School of Medicine, New Orleans, LA
Residency: Children's National Hospital, Washington, DC