1. Associate Professor of Forensic Medicine and Clinical Toxicology, Alexandria University, Egypt
2. Senior Consultant of Forensic Medicine and Clinical Toxicology
3. Lecturer of Forensic Medicine and Clinical Toxicology, Alexandria University, Egypt
4. Vice Executive Manager of the Center of Excellence for Research in Regenerative Medicine and Applications (CERRMA), Alexandria University
5. General Practitioner Pediatrics, Urgent Care Department, Kanad Hospital, Al Ain, United Arab Emirates