Gastroenterology, Hepatology and Nutrition | Fellowships | Meet the Fellows

1st Year Fellows


Mallory Cohen, M.D. obtained her undergraduate degree in neurobiology, physiology and behavior at University of California, Davis and medical degree at St George's University. She completed her Pediatric Residency training at University of Nevada in Las Vegas. Her interests in the field are Inflammatory Bowel Disease and hepatology. She enjoys hockey games, spending time with family, visiting the beach and traveling.

Nadia Naz, M.D. completed medical education from Dow University of Health Sciences, Karachi, Pakistan and Pediatric Residency training from SUNY Downstate Medical Center, Brooklyn, NY. She then decided to join a Pediatric Gastroenterology Fellowship Program at Washington University School of Medicine in St. Louis. She is interested in doing an additional fellowship year in Advanced Transplant Hepatology. Nadia enjoys participating in fundraising for charities, cooking, sightseeing and traveling, in her spare time.

2nd Year Fellows


Brendan Harris, M.D. obtained his undergraduate degree in Investigative and Medical Sciences at Saint Louis University and medical degree at University of Missouri-Columbia. He completed his Pediatric Residency training at Riley Hospital for Children in Indianapolis and returned to St. Louis to complete his training in Pediatric Gastroenterology and Nutrition at St. Louis Children’s Hospital. His interests in the field are Functional Gastrointestinal Disorders, Inflammatory Bowel Disease and procedures. He enjoys sports, exercising, grilling/cooking, and spending time with his wife and family. 

Ryan Pitman, M.D. obtained his undergraduate degree from Concordia University in Seward, NE and Masters degree at the University of Illinois at Chicago. He completed medical education at the Chicago Medical School at Rosalind Franklin University of Medicine and Science and Pediatric Residency at St. Louis Children's Hospital. He decided to stay at Washington University in St. Louis in the Pediatric Gastroenterology Fellowship program. He is interested in Cystic Fibrosis and Nutrition. He enjoys running, cooking, hiking and spending time with his wife and young son.

3rd Year Fellow


Ashlyn Turner, M.D. obtained her undergraduate degree in Integrative Physiology from The University of Iowa and medical degree from University of Illinois. She completed pediatrics residency at St. Louis Children’s Hospital and stayed to pursue a career in Pediatric Gastroenterology. She enjoys procedures, is interested in Celiac Disease, Eosinophilic Esophagitis and IBD. She also enjoys spending time with her husband and young daughters at the various attractions St. Louis has to offer! 

Transplant Hepatology Fellow


Sakil Kulkarni, M.D. completed his medical school at King Edward Memorial Hospital, Mumbai. He then went on to complete a pediatric residency in India. He moved to the United States to pursue further subspecialty training in pediatrics. He completed a pediatric residency from Miami Children’s Hospital, a pediatric gastroenterology fellowship at St. Louis Children's Hospital/Washington University School of Medicine and is now in a one year pediatric transplant hepatology fellowship. His other interests include sports, traveling and spending time with his family.
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