1. Department of Surgery, General Surgery, Hamad Medical Corporation, Qatar
2. Department of Surgery, Trauma Surgery, Hamad Medical Corporation, Qatar
3. Department of Surgery, Trauma Surgery, Clinical Research, Hamad Medical Corporation, Qatar
4. Clinical Medicine, Weill Cornell Medical College, Doha, Qatar
5. Medical Education, Internship, Hamad Medical Corporation, Qatar
6. Department of Surgery, Trauma and Vascular Surgery, Hamad Medical Corporation, Qatar