Dr Ahmed Refaey, Fellowship of radiology college of radiologists Consultant Radiologist in King Salman Hospital – Riyadh – KSA Formerly: - Consultant Radiologist and chairman of radiology department – prince Sultan Bin Abdul-Aziz Humanitarian City – Riyadh – KSA - Consultant Radiologist and head of Ultrasound section – Prince Sultan military medical city ( Military hospital ) – Riyadh – KSA - Consultant Radiologist in King Fahad specialist hospital – Dammam – KSA - Consultant Radiologist in King Saud Medical city – Riyadh- KSA