Dr Nazariah Aiza Harun  is a Consultant Child & Adolescent Psychiatrist with the Ministry of Health Malaysia.  Dr. Aiza received her MD (medical degree) from Universiti Putra Malaysia in 2003. She completed her training in the specialty of Psychiatry from Universiti Malaya in 2012. She acquired her subspecialty in Child and Adolescent Psychiatry in 2020 under The Ministry Of Health Training Programme.  She is also a trained family therapist and she has obtained a Diploma in Family Therapy from the Accademia di Psicoterapia della Famiglia, Italy. She is also trained in the area of Eating Disorders and together with a paediatrician colleague, she runs the Combined Clinic of Eating Disorders in Hospital Selayang, which is the first in Malaysia.

She is now working in Hospital Selayang and heading the Child & Adolescent Psychiatry Unit there.  Her patients include children, adolescents and their families who struggle with behavioural and developmental disorders (e.g. attention deficit hyperactive disorder, autism), learning disorder, depressive disorder, mood disorder, conduct problem, school refusal, anxiety, parent-child relationship problem, parents with parenting difficulty, children with psychological trauma and abuse, custody assessment, psychosis, self-harm and eating disorders (e.g. anorexia nervosa, bulimia).

Her special interests are in the area of Early Childhood Emotional Development; Parent-Child Relationship; Attachment and Trauma in children and adolescents. She is an EXCO member for Malaysia Child & Adolescent Psychiatry Association. She is also a member of doktorbudak.com, a free website pertaining to the health of children. She is often invited to give talks or consultations at conferences, seminars and workshops in the area of child and adolescent psychiatry. She involves in clinical researches and had published many articles in scientific journals, many clinical guidelines and technical reports. She teaches postgraduate and undergraduates to help create awareness and promote the importance of psychiatry during medical training.