Fellows by program
![Rachel Granberg, MD, MPH](https://pediatrics.wustl.edu/app/uploads/2024/07/granberg-1.jpg)
Rachel Granberg, MD, MPH
Hematology/Oncology
Medical school: Sidney Kimmel Medical College at Thomas Jefferson University
Residency: Children’s Mercy Hospital
![Jenny Gray, MD](https://pediatrics.wustl.edu/app/uploads/2022/12/Jennifer-Gray-Photo-280x386-1-280x386.jpg)
Jenny Gray, MD
Cardiology
Medical school:
Medical College of Wisconsin
Residency:
University of Louisville
![Rachel Guess, MD](https://pediatrics.wustl.edu/app/uploads/2022/12/Rachel-Guess-280x386-1-280x386.png)
Rachel Guess, MD
Rheumatology
Medical school: University of Texas Health Science Center at San Antonio
Residency: University of Texas, Dell Medical School, Austin
![Rafael Gutierrez, MD](https://pediatrics.wustl.edu/app/uploads/2022/12/Rafael-Gutierrez-MD-1.jpg)
Rafael Gutierrez, MD
Neonatal-Perinatal Medicine
Medical school:
University of Illinois College of Medicine, Chicago, IL
Residency:
Medical College of Wisconsin, Milwaukee, WI
![Amy Hammen, DO](https://pediatrics.wustl.edu/app/uploads/2022/12/Amy-Hammen-DO.jpg)
Amy Hammen, DO
Neonatal-Perinatal Medicine
Medical school:
Midwestern University College of Osteopathic Medicine, Chicago, IL
Residency:
Dayton Children's Hospital
Wright State University Boonshoft School of Medicine
![Ahmed Hassan, MD, MSc, PhD](https://pediatrics.wustl.edu/app/uploads/2023/04/Ahmed-Hassan-MD-MSc-PhD-280x386.jpg)
Ahmed Hassan, MD, MSc, PhD
Pulmonary
Medical school: Mansoura Faculty of Medicine, Mansoura University, Egypt
Residency: Mansoura University Children’s Hospital, Egypt
![Eric Hawley, MD, PhD](https://pediatrics.wustl.edu/app/uploads/2022/12/Eric-Hawley-MD-PhD-1.jpg)
Eric Hawley, MD, PhD
Hematology/Oncology
Medical school:
Indiana University School of Medicine, Indianapolis, IN
Residency:
St. Louis Children's Hospital
Washington University in St. Louis, MO
![Ran Hazan, MD](https://pediatrics.wustl.edu/app/uploads/2024/07/hran-1.jpg)
Ran Hazan, MD
Rheumatology
Medical school: Bar-IIan University of Faculty Medicine, Galilee, Israel
Residency: Soroka University Medical Center, Beer Sheva, Israel
![Courtney Hibbs, MD](https://pediatrics.wustl.edu/app/uploads/2022/12/Courtney-Hibbs-280x386-1-280x386.jpg)
Courtney Hibbs, MD
Emergency Medicine
Medical school: Florida International University Herbert Wertheim College of Medicine
Residency: University of Florida, Gainesville
![Arfa Ikram, MD](https://pediatrics.wustl.edu/app/uploads/2024/08/afra.jpg)
Arfa Ikram, MD
Cardiology
Medical school: University of Texas Medical Branch John Sealy School of Medicine, Galveston
Residency: University of Texas Health Science Center, San Antonio