Current Fellows

Four researchers, all wearing lab coats, standing shoulder to shoulder.
Credit Martyn Green


2022 Fellows

Sandra Amara Ogbonnaya-Whittlesey, M.D.
Dr. Ogbonnaya-Whittlesey received her medical degree from the Keck School of Medicine of the University of Southern California in 2011. She completed her residency in Pediatrics at LAC-USC in 2015 and is a current fellow at Children’s National Medical Center. Dr. Ogbonnaya-Whittlesey volunteered as a medical student in India and South Africa. She has several oral and poster presentations to her credit. In addition to working as a primary care physician, she taught medical students at UCLA for three years. Her interests and hobbies include family time and traveling.
Dale Kobrin, M.D.
Dr. Kobrin completed his medical training at the Perelman School of Medicine of the University of Pennsylvania in 2019 and is a current resident at the Allegheny Health Network Medical Education Consortium in Pittsburgh, PA. His research experience led to publications in peer-reviewed journals. Dr. Kobrin is also the principal author of a book chapter on Castleman disease, a rare immunologic condition with abnormalities that overlap with rheumatologic conditions. His interests and hobbies include film history and automotive repair and restoration.
Ecem Sevim, M.D.
Dr. Sevim completed her residency at Montefiore Medical Center/Albert Einstein College of Medicine in the Bronx, NY. She received her medical degree from Istanbul University in 2012 and spent two years as a research fellow at the Hospital for Surgery in New York researching rheumatology. She has several publications in peer-reviewed journals. Dr. Sevim has given 14 poster presentations and five final oral presentations at venues such as the American College of Rheumatology and the International Congress of Internal Medicine. Her hobbies and interests include abstract art, jazz, snowboarding, and traveling.

2020 Fellows

Christopher Redmond, M.D.
Dr. Redmond received his undergraduate and medical degrees from Rutgers University. He developed an interest in autoimmune disease while completing a master’s in integrated Immunology at Oxford University. Following medical school, he completed his Internal Medicine-Pediatrics residency at the University of Kentucky. He is currently completing a combined pediatric and adult rheumatology fellowship at the Children’s National Hospital in Washington, DC, and NIH. He comes to the NIH with an interest in translational and clinical research with a focus in vasculitis.
Last Updated: February 2023