Margaret DeJong

Margaret Dejong

Dr Margaret DeJong is an expert in child and adolescent psychiatry. She has worked at Great Ormond Street Hospital for nine years and is currently head of the Department of Child and Adolescent Mental Health.


She is also clinical lead in the paediatric liaison service, providing child psychiatry expertise to hospitalised medically ill patients and their carers.

“Many of the patients we see in the Parenting and Child Service have had a traumatic past and have struggled to overcome adversity. We strongly believe in the importance of psychological well being in children’s health and are deeply committed to improving the emotional lives of children.”

Dr Margaret DeJong


She runs a service for children with a background of abuse, neglect and psychological trauma. This includes a multidisciplinary expert witness team which provides court assessments in complex child protection cases. She also contributes to the paediatric liaison service at GOSH.


MDCM, FRCPsych (Can), FRCPsych (UK)

Dr DeJong attended McGill Medical School in Canada (MDCM) before completing specialist psychiatry training (FRCPsych, University of Toronto). She received a Detweiler Fellowship from RCPsych(Can) for a 2 year programme at the Tavistock Clinic in London where she undertook advanced training in family therapy. She has remained in the UK for the rest of her career where she is on the register of specialists in Child and Adolescent Psychiatry and a fellow of the Royal College of Psychiatry (FRCPsych).

Research Interests

Recent research includes the psychological needs of adopted children, and a comparison of autistic features in children with a background of abuse and neglect with cases of idiopathic autism.


Dr DeJong can be contacted through the hospital switchboard 0207 405 9200, Ext 5577 (secretary).

Departmental reception is 0207 829 8679.