1. Associate Consultant Psychiatrist, Hamad Medical Corporation, Doha, Qatar.
2. Consultant Child and Adolescent Psychiatrist, Hamad Medical Corporation, Doha, Qatar.
3. Child and Adolescent Psychiatry Clinical Fellow, Hamad Medical Corporation, Doha, Qatar.
4. Division of Genomics and Precision Medicine, College of Health and Life Sciences, Hamad Bin Khalifa University, Doha, Qatar.
5. Head Nurse, Child and Adolescent Mental Health Service, Hamad Medical Corporation, Doha, Qatar.
6. Research Specialist, Medical Research Centre, Hamad Medical Corporation, Doha, Qatar.
7. Senior Consultant Pediatrician and Director of Pediatric Emergency Centres, Hamad Medical Corporation, Doha, Qatar.
8. Senior Consultant Psychiatrist and Chairman of Mental Health Services, Hamad Medical Corporation, Doha, Qatar.
9. Associate Professor and Clerkship Director at College of Medicine, Qatar University.