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National services

Our experts

National services

Our experts

National services

Our experts

National services

Our experts

Dr Troy Tranah

Consultant Clinical Psychologist and Head of AAFS

Area of expertise
  • Forensic mental health
  • Dialectical behaviour therapy
  • Self-harm and related high-risk behaviours
  • eHealth
  • Blending the arts and mental health
  • Health economics

Dr Tranah is a consultant clinical psychologist and Head of the Adolescent At-risk and Forensic Service. Dr Tranah is also the Head of Psychology and Psychotherapy for Child and Adolescent Mental Health Services across the Trust and is an Honorary Lecturer in Clinical Psychology at the Institute of Psychiatry, Psychology and Neuroscience, King’s College London. Dr Tranah is also a member of the academic team that runs the Doctorate in Clinical Psychology course at the Institute of Psychiatry, Psychology and Neuroscience, King’s College London.

As a Consultant Clinical Psychologist, Dr Tranah has developed a number of successful clinical services including Childcare, Dialectical Behaviour Therapy and the Adolescent At-risk and Forensic Services. Dr Tranah is currently leading a three-year treatment trial exploring a collaboration between the participatory arts and dialectical behaviour therapy.

Education and training
  • BSc Middlesex University 1989
  • PhD University of London (Charing Cross Medical School) 1992
  • MSc Institute of Psychiatry, Psychology and Neuroscience 1994


  • Assessment, Intervention, Moving On (AIM-2)
  • Dialectical behaviour therapy
  • Dialectic behavioural therapy with adolescents
  • Multisystemic therapy
  • Neuropsychological assessment of children
  • Expert witness skills training
  • Structured assessment of violence risk in youth (SAVRY)

Johnston, K. and Tranah, T. Forensic Aspects of Intellectual Disabilities (2020, in press). In Bernard, S. and McCarthy, J. (Eds) Mental Health Needs of Children and Young People with Intellectual Disabilities 2nd edition. Pavilion.

Taylor, L. and Tranah, T. CBT with Young People (2019) in Moorey, S. and Lavender, A. (Eds) The Therapeutic Relationship in Cognitive Behavioural Therapy. Sage.

Udita Iyengar, Natasha Snowden, Joan Asarnow, Paul Moran, Troy Tranah, Dennis Ougrin (2018) A Further Look at Therapeutic Interventions for Suicide Attempts and Self-Harm in Adolescents: An Updated Systematic Review, Frontiers in Psychiatry, 10.3389/fpsyt.2018.00583

Johnston, K., Prentice, K., Whitehead, H., Taylor, L., Watts, R., Tranah, T. (2016): Assessing effective participation in vulnerable juvenile defendants, The Journal of Forensic Psychiatry & Psychology, 27, 6, 802-814.

Ougrin, D., Tranah, T., Stahl, D., Moran, P. and Asarnow, J.R. (2015) Therapeutic Interventions for Suicide Attempts and Self-harm in Adolescents: Systematic Review and Meta-Analysis. Journal of the American Academy of Child and Adolescent Psychiatry, 54, 2, 97–107.

Hoerold, D. and Tranah, T. (2014) Correlates of adolescent fire setting: examining the role of fire interest, fire-related attentional bias, impulsivity, empathy and callous–unemotional traits. Journal of Forensic Psychiatry and Psychology, 25, 4, 411-431.

Tranah, T. and Nicholas, J. (2013) Interventions for young people with intellectual disabilities who commit arson. Advances in Mental Health and Intellectual Disabilities, 7 (2), 72-82.

Ougrin, D., Tranah, T., Leigh, E., Taylor, L. and Asarnow, J.R. (2012) Practitioners review: Self-harm in adolescents. Journal of Child Psychology and Psychiatry, 53 (4), 337-350.

Woolgar, M and Tranah, T. (2010) Cognitive vulnerability to depression in young people in secure accommodation: the influence of ethnicity and current suicidal ideation. Journal of Adolescence, 33 (5), 653-661.