Peter Haddad is a Senior Consultant Psychiatrist at Hamad Medical Corporation, Qatar, and Clinical Professor of Psychiatry at Qatar University. He previously worked as a consultant psychiatrist in the National Health Service in Manchester, England, for 20 years. His research focusses on psychosis and affective disorders. He has authored over 170 publications and has been a member of treatment guidelines groups for both the National Institute for Health and Care Excellence (NICE) and the British Association for Psychopharmacology.