Clinical and Translational Research Directors

Meet the Directors

David Leitenberg

David Leitenberg, M.D, Ph.D.

Associate Professor of Microbiology, Immunology, and Tropical Medicine
Associate Professor of Pediatrics (Secondary)
Scholarly Concentration Director

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Dr. Leitenberg is an Associate Professor in the Department of Microbiology, Immunology, and Tropical Medicine and has joint appointments in the Departments of Pathology and Pediatrics.  He also serves as Medical Director of the Clinical Flow Cytometry and Immunology laboratory within the Division of Laboratory Medicine and Pathology at Children's National Health Systems.

Dr. Leitenberg received his M.D. and Ph.D. degrees from the University of Iowa, followed by residency and fellowship training in Clinical Pathology and Immunology at Yale School of Medicine.  His primary areas of expertise include the regulation of T lymphocyte activation and differentiation, as well as the development and application of assays to assess human immune status.  His research has been extramurally funded by the National Institutes of Health, American Cancer Society and Arthritis Foundations, and he has served on several NIH review panels and as peer reviewer for multiple Immunology-related journals.

Over the past several years at George Washington University, Dr. Leitenberg has become increasingly committed to education and has served in a leadership role in various aspects of medical and graduate student education, including as Interim Assistant Dean for Pre-Clinical Education, Chair of the Preclinical Curriculum Committee and Director of the PhD program in Microbiology and Immunology.


Naomi Luban, M.D.

Professor of Pediatrics
Professor of Pathology (Secondary)
Scholarly Concentration Director

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Dr. Luban is Chief, Department of Laboratory Medicine and Pathology and Director of the Transfusion Medicine/Donor Center at the Children’s National Health System (formerly, CNMC). She is also Vice Chairman for Academic Affairs in the Department of Pediatrics at Children’s National Health System and Associate Program Director of the Pediatric Clinical Research Center. She is Professor of Pediatrics and Pathology, The George Washington University School of Medicine and Health Sciences in Washington, D.C.

Dr. Luban received her medical degree from the Mount Sinai School of Medicine in New York, New York. She has published numerous journal articles, books, and book chapters. She is an editorial board member for Transfusion and a peer reviewer for TransfusionJAMAImmunohematology, the Journal of Pediatrics, and Pediatric Blood and Cancer, among others.

Dr. Luban is a member of many professional organizations, including the American Academy of Pediatrics, American Association of Blood Banks, American Society of Hematology, and the American Society of Pediatric Hematology/Oncology. She is a Fellow of the American Academy of Pediatrics and a member of the American Pediatric Society and Society for Pediatric Research. She has been on several FDA and NIH committees and review groups. Dr. Luban also currently serves as a member of the American Board of Pediatrics and U.S. Pharmacopeia.