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Dr Troy Tranah

Job title Consultant Clinical Psychologist and Head of AAFS


Dr Tranah is a consultant clinical psychologist and Head of the Adolescent At-risk & Forensic Service. Dr Tranah is also the Head of Psychology and Psychotherapy for Child & Adolescent Mental Health Services across the Trust and is an Honorary Lecturer in Clinical Psychology at the Institute of Psychiatry, Psychology & 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 & 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

  • B.Sc. Middlesex University 1989
  • Ph.D. University of London (Charing Cross Medical School) 1992
  • M.Sc. Institute of Psychiatry, Psychology & neuroscience 1994



  • Assessment, Intervention, Moving On (AIM-2)
  • Dialectical Behaviour Therapy
  • Dialectic Behavioural Therapy with Adolescent
  • Multisystemic Therapy
  • Neuropsychological Assessment of Children
  • Expert Witness Skills Training
  • Structured Assessment of Violence Risk In Youth (SAVRY)


Johnston, K. & Tranah, T. Forensic Aspects of Intellectual Disabilities (2020, in press). In Bernard, S. & McCarthy, J. (Eds) Mental Health Needs of Children and Young People with Intellectual Disabilities 2nd edition. Pavilion.
Taylor, L. & 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. & 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. & Asarnow, J.R. (2012) Practitioners review: Self-harm in adolescents. Journal of Child Psychology and Psychiatry, 53 (4), 337-350.

Woolgar, M & 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.

Smith, P., Yule, W., Perrin, S., Tranah, T., Dalgleish, T. and Clark, D. (2007) A randomized controlled trial of individual cognitive behaviour therapy for PTSD in children and adolescents. Journal of the American Academy of Child & Adolescent Psychiatry, 46 (8), 1051-61.

Herba, C., Tranah, T., Rubia, K. & Yule, W. (2006) Conduct Problems in Adolescence: Three Domains of Inhibition and Effect of Gender. Developmental Neuropsychology, 30 (2), 659-695.

Bladon, E., Vizard, E., French, L. & Tranah, T. (2005) Young sexual abusers: A descriptive study of a UK sample of children showing sexually harmful behaviours. Journal of Forensic Psychiatry and Psychology, 16, 109-126.

Langdon, P., Cosgrave, N. & Tranah, T. (2004) Social Climate within an adolescent medium-secure facility. International Journal of Offender Therapy and Comparative Criminology, 48, 504-515.

Tranah, T. and Hill, A. (2000) Assessment of Delinquent Adolescents Using Achenbach’s Teacher’s Report Form. Personality and Individual Differences, 29, 109-117.

Jamieson, N., Tranah, T. and Sheldrick, E. (1999) The Impact of Expert Evidence on Care Proceedings. Child Abuse Review, 8, 183-192.

Tranah, T., Harnett, P. and Yule, W. (1998) Conduct Disorder and Personality. Personality and Individual Differences, 24, 741-745.

Tranah, T. and Yule, W. (1996) Treatment Strategies in Children with Anxiety Disorder. In J. den Boer (Ed.), Clinical Management of Anxiety: Theory and practical applications. New York: Marcel Dekker.

Dalgleish, T., Joseph, S., Thrasher, S. and Tranah, T. (1996) Crisis Support Following the Herald of Free Enterprise Disaster: A longitudinal perspective. Journal of Traumatic Stress, 9 (October), 833-845.

O’Donnell, I., Farmer, R. and Tranah, T. (1994) Introduction to Railway Suicide. Social Science and Medicine, 38, 399-400.

Farmer, R., Tranah, T. and O’Donnell, I. (1992) Railway Suicide:The Psychological Effects on Drivers. Psychological Medicine, 22, 407-414.

Farmer, R., O’Donnell, I. and Tranah, T. (1991) Suicide on the London Underground System. International Journal of Epidemiology, 20, 707-711.

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