Current fellows


Recent graduates

Alicia Bach, MD
Alicia Bach, MD, completed fellowship in 2021 and joined the faculty of the University of Missouri, Columbia, as a pediatric hematologist/oncologist. She completed her medical degree from the University of Texas Medical School at San Antonio, followed by residency in pediatrics at the University of Florida College of Medicine. She was active in both basic and clinical research during her fellowship and has an ongoing clinical interest in sarcomas and palliative care.

Katarina Semkiu, MD
Katarina Semkiu, MD, completed fellowship in 2021 and joined the faculty in the Division of Pediatric Hematology and Oncology at St. Louis Children’s Hospital/Washington University as a member of the Leukemia/Lymphoma team. She received her medical degree from the Loyola University Chicago Stritch School of Medicine, followed by residency and chief residency in pediatrics at Advocate Children’s Hospital in Illinois. Semkiu’s fellowship project centered around medical education, and she maintains a strong interest in this area.

Julia Warren, MD, PhD
Julia Warren, MD, PhD, completed fellowship in 2021 and joined the faculty in the Division of Pediatric Hematology and Oncology at St. Louis Children’s Hospital/Washington University. Warren graduated from the Medical Scientist Training Program at Washington University and pursued residency training in pediatrics at Washington University/St. Louis Children’s Hospital prior to fellowship. She is a physician-scientist with an interest in understanding the genetic causes of bone marrow failure syndromes. For a link to Warren’s publications, click here.

Clare Zimmerman, MD
Clare Zimmerman, MD, completed fellowship in 2021 and joined the faculty of the Southern Illinois University School of Medicine as a pediatric hematologist/oncologist. She received her medical degree from SIU School of Medicine in Springfield, followed by residency in pediatrics at Loyola University Medical Center. She pursued a Master’s of Science in Clinical Investigation during fellowship, and her research focused on the use of cytokine-induced memory-like natural killer cells for the treatment of refractory or relapsed acute myeloid leukemia.


Past fellows

Past fellowGraduationPost-fellowship position
Bryan Sisk, MD2020Washington University in St. Louis
Nicole Brossier, MD, PhD2019Washington University in St. Louis
Margaret Ferris, MD, PhD2019Washington University in St. Louis
Stacy Snyder, MD2019Beacon Medical Group, Indiana
Dan Willis, MD2019Washington University in St. Louis
Erin Hall, MD2018University of Missouri-Kansas City
Megan Gauthier, MD2018U.S. Food and Drug Agency
Steven Allen, MD2017University of Pittsburgh Medical Center
Cecelia Calhoun, MD, MPH2017Washington University in St. Louis
Sima Bhatt, MD, MSCI2017Washington University in St. Louis
Emily Walling, MD2016University of Michigan
Emily Jen, MD, PhD2016U.S. Food and Drug Agency
Andrew Cluster, MD2016Washington University in St. Louis
Angela Herman, MD2015OSF HealthCare Children’s Hospital of Illinois
Alok Kothari, MD2015Washington University in St. Louis
Melanie Fields, MD, MSCI2014Washington University in St. Louis
Alex Ngwube, MD2014Stem Cell Transplant Fellowship, Texas Children’s Hospital
Melissa Schapiro, MD, MSCI2014Memorial Sloan Kettering Cancer Center