-Consultant and Head of Medical Oncology, Oncology Center, King Abdullah Medical City, Makkah, Saudi Arabia –  Associate Professor of Medical Oncology, Oncology Center, Mansoura University, Egypt.  

Oncology consultant at King Faisal Specialist Hospital & Research Centre Riyadh Adjunct associate professor at Alfaisal University Adjunct associate professor at University of Texas Medical Branch

Consultant medical oncology