President of the Saudi Society of hematology,
Associate professor of hematology, hematology department, King Abdulaziz University, Jeddah, Saudi Arabia,
Consultant in internal medicine, hematology, malignant hematology at King Abdulaziz University

Hospital,
Consultant Hematologist at International Medical Center, First Clinic, Jeddah,
Head of the hematology research unit at King Fahad Medical Research Center, King Abdulaziz

University.