Dr. El-Naggar joined NeoGenomics in 2018 and is currently serving as the Director of Cytogenetic Services. Before joining NeoGenomics, Dr. El-Naggar worked at Quest Diagnostics for thirteen years where he served as a Senior Director for the Cytogenetics Department in San Juan Capistrano, CA. Dr. El-Naggar completed his residency training in Clinical Pathology at Zagazig University School of Medicine in Zagazig, Egypt. He then completed a fellowship in Clinical Cytogenetics and Clinical Molecular Genetics at Wayne State University Detroit Medical Center in Detroit, MI. Dr. El-Naggar is board certified in Clinical Cytogenetics and Clinical Molecular Genetics. He has contributed to over 10 peer reviewed publications, 15 oral presentations and is a member of several professional organizations including the Egyptian Medical Syndicate, the American College of Medical Genetics, and the American Medical Association.