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Photo of Dr Ottilie Sedgwick

Dr Ottilie Sedgwick

Job title Clinical Psychologist

Area of Expertise

  • Offending behaviours and the intersection with mental health difficulties
  • Harmful sexual behaviour
  • Systemic/family-based approaches
  • Psychosis and unusual experiences



Dr Ottilie Sedgwick is a Registered Practitioner Clinical Psychologist with the Health Care Professions Council (HCPC). She is currently employed as a Clinical Psychologist by South London & Maudsley NHS Foundation Trust and works with children and young people who present a high risk of harm to themselves, others, or from others, providing assessment and intervention using both cognitive behavioural therapy and dialectical behaviour therapy approaches. She is also involved in teaching on the Doctorate in Clinical Psychology programme at the Institute of Psychiatry, Psychology & Neuroscience.

Prior to this Dr Sedgwick has worked across a variety of mental health settings as part of doctoral training, including addictions, neurodevelopmental CAMHS, learning disability and the children and young person’s psychology service at a sexual assault referral centre. She has experience working within forensic settings including high-security hospital. Dr Sedgwick has lead and/or contributed to research projects relating to victim empathy, the impact of psychosis and personality disorder on offending behaviours, attention-deficit hyperactivity disorder within forensic settings, and developing blended interventions (combining face to face and digital therapies) for individuals with psychosis.


Education and Training

  • BSc Neuroscience (King’s College London), 2011
  • Postgraduate Diploma in Psychology (Middlesex University), 2012
  • MSc Clinical Forensic Psychology (King’s College London), 2013
  • PhD Psychology (King’s College London), 2016
  • Doctorate in Clinical Psychology (King’s College London), 2019
  • Dialectical Behaviour Therapy (British Isles DBT)
  • AIM 2 and 3 Assessment and Intervention for young people with harmful sexual behavior (AIM Project)



Sedgwick, O., Young, S., Greer, B., Arnold, J., Parsons, A., Puzzo, I., Terracciano, M., Das, M., Kumari, V. (2018) Sensorimotor gating characteristics of violent men with comorbid psychosis and dissocial personality disorder: Relationship with antisocial traits and psychosocial deprivation. Schizophrenia Research, 198, pp. 21-27. DOI: 10.1016/j.schres.2017.06.045

Sedgwick, O., Young, S., Baumeister, D., Greer, B., Das, M., Kumari, V. (2017) Neuropsychology and emotion processing in violent individuals with antisocial personality disorder or schizophrenia: The same or different? A systematic review and meta-analysis. Australian and New Zealand Journal of Psychiatry, 51 (12), pp. 1178-1197. DOI: 10.1177/0004867417731525

Baumeister, D., Sedgwick, O., Howes, O., Peters, E. (2017) Auditory verbal hallucinations and continuum models of psychosis: A systematic review of the healthy voice-hearer literature. Clinical Psychology Review, 51, pp. 125-141. DOI: 10.1016/j.cpr.2016.10.010

Sedgwick, O., Young, S., Das, M., Kumari, V. (2015) Objective predictors of outcome in forensic mental health services-A systematic review. CNS Spectrums, 21 (6), pp. 430-444. DOI: 10.1017/S1092852915000723

Young, S., Sedgwick, O. (2015) Attention deficit hyperactivity disorder and substance misuse: An evaluation of causal hypotheses and treatment considerations. Expert Review of Neurotherapeutics, 15 (9), pp. 1005-1014. DOI: 10.1586/14737175.2015.1059756

Young, S., Moss, D., Sedgwick, O., Fridman, M., Hodgkins, P. (2105) A meta-Analysis of the prevalence of attention deficit hyperactivity disorder in incarcerated populations. Psychological Medicine, 45 (2), pp. 247-258. DOI: 10.1017/S0033291714000762

Young, S., Sedgwick, O., Fridman, M., Gudjonsson, G., Hodgkins, P., Lantigua, M., González, R.A. (2015). Co-morbid psychiatric disorders among incarcerated ADHD populations: A meta-analysis. Psychological Medicine, 45 (12), pp. 2499-2510. DOI: 10.1017/S0033291715000598

Young, S., Sedgwick, O., Perkins, D., Lister, H., Southgate, K., Das, M., Kumari, V., Bishopp, D., Gudjonsson, G.H. (2015). Measuring victim empathy among mentally disordered offenders: Validating VERA-2. Journal of Psychiatric Research, 60, pp. 156-162. DOI: 10.1016/j.jpsychires.2014.10.009

Young, S., Goodwin, E.J., Sedgwick, O., Gudjonsson, G.H. (2013) The effectiveness of police custody assessments in identifying suspects with intellectual disabilities and attention deficit hyperactivity disorder. BMC Medicine, 11 (1), art. no. 248, DOI: 10.1186/1741-7015-11-248.

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