Dr El-Cheikh received his MD from the University of Naples in Italy; followed by advanced training in Hematology with a special focus on Bone Marrow Transplantation (BMT) at the University of Bologna, Italy. He then moved to work as a faculty member (Praticien Hospitalier Specialist) at the Institute Paoli – Calmettes, Marseilles, France.

In 2015 he moved to Lebanon and joined the NK Basile cancer center at the American University of Beirut Medical Center, (AUBMC)

Currently, Dr El-Cheikh is an Associate Professor of Clinical Medicine and a bone marrow transplantation expert at AUBMC one of the leading institutions in the Eastern Mediterranean region and one of 2 centers that offer BMT in Lebanon.

In addition to his clinical work, Dr-El-Cheikh is also an academic and an active researcher. Having published 170 PubMed indexed articles, he is considered an expert in malignant hematological diseases with particular interests in developing haploidentical transplant, the reduced-toxicity conditioning regimens, immunomodulation, and large experience in infectious diseases and supportive care in the context of intensive therapy for hematologic malignancies. He continues to add to the existing medical literature particularly working on studies targeting the Middle Eastern population.

Dr El-Cheikh is also am a member of many international scientific societies such as the European Group of Blood and Marrow Transplantation (EBMT), the European Hematology Association, among others. He also serves as a peer reviewer in many major medical journals in his areas of expertise.

Dr El-Cheikh received an Executive Master’s Degree in Public Health and a second Master’s Degree in Analysis and Management of Health Care Systems in February 2021, from the ESA Business School, Beirut, Lebanon in collaboration with the University Of Paris 7 France.

Dr El-Cheikh is the actually president of Revive blood and cancer patients association, the vice president of the secour populaire libanais and many other cancer support groups.