Current Fellows

Class of 2025

Andrew Carroll, MD

Andrew Carroll, MD

Mentor: Jason Newland, MD, MEd
Medical education: Creighton University
Residency: Saint Louis University School of Medicine

Research Project: Birthweight trends associated with the onset of COVID-19 pandemic

Mariah Cheaves, MD

Mariah Cheaves, MD

Mentor: Eve Colson, MD
Medical education: Meharry Medical College
Residency: St. Louis Children’s Hospital

Research Project: In their own words: Black Mothers’ experience with Racism, Bias and Discrimination related to Breastfeeding

Jessica Kris, MD

Jessica Kris, MD

Mentor: Emily Fishman, MD, MSCI
Medical education: University of Central Florida
Residency: Cincinnati Children’s Hospital

Research Project: TEXT A MOM: Texting Encouragement to maXimize The Allocation of Mother’s Own Milk

Natasha Lalos, MD

Natasha Lalos, MD

Mentor: Zach Vesoulis, MD, MSCI
Medical education: University of Queensland
Residency: St. Louis Children’s Hospital

Research Project: Predicting pulmonary hemorrhage in ELBW infants

Kelly Meyer, MD

Kelly Meyer, MD

Mentor: Cindy Ortinau, MD, MSCI
Medical education: University of Missouri – Columbia
Residency: Children’s Mercy

Research Project: Placental Vascular Abnormalities & the Association with Neurodevelopmental Outcomes in Infants with Congenital Heart Disease

Tara Shepherd, MD, MS

Tara Shepherd, MD, MS

Mentor: Chris Smyser, MD, MSCI
Medical education:St. George’s University
Residency:Tulane University School of Medicine

Research Project: Effects of Early Intervention on Neurodevelopmental Outcomes in Severe Grade IVH

Class of 2026

Kelley Denton, MD

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

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

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

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

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

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

Class of 2027

Samer Bou Karroum, MD

Samer Bou Karroum, MD

Medical school: American University of Beirut Faculty of Medicine Lebanon
Residency: Texas Tech University Health Sciences Center/ Amarillo Pediatrics

Trisha Khambadkone, MD

Trisha Khambadkone, MD

Medical school: The University of Toledo College of Medicine and Life Sciences
Residency: Washington University in St. Louis / St. Louis Children’s Hospital

Nicole Majachani, MD

Nicole Majachani, MD

Medical school: St. George’s University School of Medicine Grenada
Residency: University of Wisconsin Hospital and Clinics

Karen Schaeffer, MD

Karen Schaeffer, MD

Medical school: Tulane University School of Medicine
Residency: NYC Health + Hospitals Jacobi of the Albert Einstein College of Medicine

Sydney Sherman, DO

Sydney Sherman, DO

Medical school: Chicago College of Osteopathic Medicine of Midwestern University
Residency: University of Connecticut

Maggie Urschler, MD

Maggie Urschler, MD

Medical school: University of Missouri – Kansas City School of Medicine
Residency: Washington University in St. Louis / St. Louis Children’s Hospital