Practice Team

Our Psychologists and Practice Team

We specialise in providing high quality psychological services, specialising in expert witness reports for court and prison proceedings. Our team is detailed below. If you are a legal professional, or other interested agency, please contact us for further details or to instruct one of our experts by clicking here for contact details.

Dr Ruth Tully

Forensic Psychologist, Director, and Clinical Lead

BSc(Hons), MSc, DForenPsy, CPsychol, EuroPsy, AFBPsS, CSci , MAE, AFHEA

About
Dr Tully is a Forensic Psychologist and Director of Tully Forensic Psychology Ltd. She is an expert in forensic risk assessment and is the clinical lead of the team, supervising all of the work of our expert psychologists.

Ruth is Chartered by the British Psychological Society (BPS), Registered as a Forensic Psychologist with the Health and Care Professions Council (HCPC), an Associate Fellow of the BPS, and she holds a European standard qualification in psychology. Earlier in her career, Ruth was nominated for, and was then awarded, the BPS Division of Forensic Psychology Junior Award in Forensic Psychology 2013. This BPS award focuses on the production of work of outstanding quality and innovation, and Ruth was awarded the prize for her ‘notable contribution to the field‘. Ruth is an accredited Full Practicing Member of The Academy of Experts.

Following her extensive work in prisons and clinical forensic NHS settings with clients who have enhanced rehabilitation needs in relation to mental health, personality, learning disability and risk, Ruth moved to provide similar services in a private hospital as a Consultant Forensic Psychologist and senior manager. It was following setting up and watching this service flourish that she moved to The University of Nottingham. Dr Tully is regularly invited to act as peer-reviewer for respected journal publishers and she is also regularly requested by the media as an expert speaker in relation to Forensic Psychology.

Ruth’s special interests are in prison and court risk assessment and treatment, especially relating to sexual and violent offences. She has worked on various high profile cases and is particularly proud of the rapport and understanding she is able to achieve with those who she is assessing/treating and professionals alike, regardless of outcome of the independent assessment. Ruth undertakes assessments in Family Court or care proceedings, such as assessments of young people and their carers.

Alongside providing expert independent psychological services, Ruth gives workshops and lectures at various Universities, following her past role as Assistant Professor at The University of Nottingham. Ruth is registered with the BPS as an approved supervisor (RAPPS).

Ruth has an active research portfolio including risk assessment, sex offending, learning disability, ‘revenge pornography’, ‘road rage’, psychometric test development, and internet sex offending.

Chartered and Registered Forensic Psychologist

Dr Jennifer Bamford

Senior Psychologist

BSc(Hons), MSc, DForensPsy, CPsychol

About
Dr Jennifer Bamford is a Senior Associate Psychologist in our team. She is BPS Chartered and HCPC Registered as a Forensic Psychologist with vast experience of working with male and female offenders in prisons, secure hospitals, and community settings. Jennifer has experience in working with and completing risk assessments for clients with a range of psychological difficulties including mental illness, personality disorder, cognitive functioning deficits and developmental disorders, such as ASD. Jennifer’s clinical work includes working with women using a Dialectical Behavioural Therapy (DBT) approach and woken with women specifically. She was awarded the BPS Division of Forensic Psychology Junior award in in 2015, having been nominated in relation to her academic work and clinical practice, recognising her notable contribution to the field of Forensic Psychology.

Jennifer’s area of specialism is sexual offending; she is highly competent and experienced in delivering sex offender treatment programs (SOTPs) and in assessing risk and treatment progress of sexual offenders. Jennifer has completed a doctoral thesis on the assessment and treatment of multiple perpetrator sexual offenders, and has published articles in this area. Jennifer is trained in assessing men at risk of offending in a family context. In her Senior role she enjoys supervising other psychologists in our team and she is on the BPS supervisors register (RAPPS). Click here to contact us.

Chartered and Registered Forensic Psychologist


Darren Johnson

BSc(Hons), MSc, CPsychol

About
Darren Johnson is a Registered Forensic Psychologist and is a Senior Lecturer at an esteemed University. He has worked for almost a decade within HM Prison Service, in which he gained extensive experience in assessing and treating the full range of offender types, specialising in complex cases of sexual and violent offenders.

Darren also has vast knowledge in the prison and probation accredited offending behaviour programmes, with particular expertise in SOTP assessment and treatment delivery. Darren specialises in court and prison assessment, providing services nationwide. He is able to complete psychological assessments that explore risk, personality and functioning for young and adult male and female offenders. If you wish to instruct Darren or simply to make further enquiries, contact us.

Chartered and Registered Forensic Psychologist

Dr Gemma Luke

BSc(Hons), MSc, DClinPsychol, CPsychol

About
Dr Gemma Luke is a Chartered and Registered Clinical Psychologist. She has worked in the field of mental health for 11 years, specialising in forensic mental health. In addition to her expert witness work, she is the Principal Psychologist in an admissions assessment medium secure unit for adult male offenders. Gemma is also experienced in working with young people and females (both offenders and victims) and she also specialises in assessing adults and children as part of care proceedings for the Family Courts.

Gemma has extensive experience in assessing risk in relation to a range of psychological difficulties, including personality (i.e. personality disorders), mental health (i.e. schizophrenia), cognitive functioning (i.e. learning disability, memory, competence for sexual activity) and developmental disorders (i.e. ASD). If you wish to instruct Gemma or to make enquiries, contact us.

Chartered and Registered Clinical Psychologist


Dr Sara Northey

BSc(Hons), MSc, PhD, CPsychol

About
Dr Sara Northey is a Chartered and Registered Forensic Psychologist with extensive experience of working with male and female offenders in both prisons and secure hospital settings. She has experience of assessing clients and delivering therapy for a wide range of psychological difficulties. She is a trained Dialectical Behaviour Therapist (DBT) and specialises in assessing and working with patients with personality disorder.

Sara has conducted doctoral research into the treatment of personality disordered offenders within a prison therapeutic community and is co-author of a book on the subject, entitled ‘What works in therapeutic prisons: Evaluating psychological change in Dovegate Therapeutic Community‘. Sara is highly competent in formal report writing, particularly for the Ministry of Justice and Mental Health Review Tribunals. She is trained in the formal assessment of risk of violence, using the HCR20 version 3. Sara provides services in the South East and beyond. If you are a legal representative and you wish to instruct Dr Northey or simply to make further enquiries, contact us.

Chartered and Registered Forensic Psychologist

Dr Jamie Yapp

BSc(Hons), ForenPsyD, CPsychol

About
Dr Jamie Yapp is a Chartered and Registered Forensic Psychologist. He has worked within private practice and regional secure units, from which he has gained extensive experience of working with male and female offenders. Jamie has also published and presented in the area of offending behaviour. He has specific experience of assessing clients and delivering therapy (DBT, CAT, CBT, Psychoanalytic, Schema) for a wide range of psychological difficulties, including mental illness, personality disorder and psychopathy, cognitive functioning deficits, and developmental disorders, such as ASD. Jamie is undergoing Schema Therapy Accreditation and delivers schema therapy to a range of patients.

Jamie has extensive experience of risk assessment in prisons, secure hospitals and in the community, and is experienced in giving evidence at oral Parole Board hearings and mental health tribunals. He is able to complete psychological assessments that explore risk, personality, therapeutic needs, and functioning for young and adult male and female offenders. If you are a legal representative and you wish to instruct Jamie, or simply to make further enquiries, contact us.

Chartered and Registered Forensic Psychologist


Faye Horsley

BSc(Hons), MSc, CPsychol

About
Faye Horsley is a Registered Forensic Psychologist with over ten years of experience in working with offenders. She is currently employed by the NHS as a principal forensic psychologist on a specialist personality disorder ward. Faye has worked in prisons ranging from high security to open conditions, as well as with women and young people in prison/closed conditions. She has also worked in a high secure hospital, on an acute forensic mental health ward and with forensic out-patients. Faye specialises in work with personality disordered and violent offenders. In addition she has expertise in working with those who have set fires/arsonists, and Faye is currently undertaking a PhD in this area.

Faye has over six years of experience delivering accredited offending behaviour programmes and she has also treatment managed such programmes e.g. a high intensity violence programme. Alongside group treatment, she delivers one to one based treatment, drawing on a variety of therapeutic approaches including CBT, DBT and schema theory.

Faye has extensive experience of conducting assessments of risk, personality functioning, aspects of mental health and cognitive ability with male and female offenders. She is accustomed to writing reports of the highest standard and has extensive experience speaking to her reports at parole and court hearings.

If you wish to instruct Faye or simply to make further enquiries, contact us.

Chartered and Registered Forensic Psychologist

Sally Morris (nee Gray)

BSc (Hons), MSc, CPsychol

About
Sally Morris is a Registered Forensic Psychologist with over ten years experience of working with offenders. Sally’s main area of focus has been with high risk, violent, male offenders within the prison environment. She has also worked with Personality Disordered offenders within a medium secure hospital setting.

Sally is an experienced facilitator on accredited Offending Behaviour Programmes. In addition, she is able to deliver individual interventions to address treatment needs, incorporating a range of therapeutic approaches including CBT and DBT. Sally has extensive experience of working with offenders who are at risk of suicide or self harm, and provding advice and guidance to professionals working with them. Sally has extensive experience of completing risk assessments focusing upon violence and future risk management. She is confident and accustomed to presenting her reports at Parole Board hearings. She is also able to complete personality assessments to guide risk management and treatment interventions. Contact us to instruct Sally.

Chartered and Registered Forensic Psychologist


Dr Katie E Hudson

BSc (Hons), ForenPsyD, CPsychol

About
Dr Hudson is a HCPC Registered and BPS Chartered Forensic Psychologist with experience of preparing expert witness reports for both criminal and family proceedings including matters relating to physical, emotional, and sexual abuse. Her Doctoral thesis involved exploration of sex offenders and cultural impact.

Alongside her expert witness work, Katie currently works for the NHS in the offender personality disorder pathway services. She has around 10 years of experience working in various settings such as the prison service (both high security and remand prisons), probation, low secure, locked rehabilitation, and private practice. Dr Hudson’s experience involves working with males, females, children, and adolescents. She has worked with a range of complex needs including personality disorder, mental illness, trauma, and substance dependency. She was the Clinical Lead for Living Skills programmes whilst employed in a high secure prison, and she also provided consultancy for the Personality Disorder Treatment Service within this role.

Katie has carried out assessments using structured professional judgement methods and is proficient in assessments of cognitive functioning. She is trained in formal assessments such as assessments of violence (HCR20 v3), sexual risk (RSVP), personality disorder (IPDE), psychopathy (PCL-R), extremism (ERG), and protective factors (SAPROF). She draws from a number of psychological models within her practice including cognitive behavioural therapy, dialectical behaviour therapy, compassion focussed therapy, schema informed therapy, attachment-based interventions and motivational interviewing. To instruct Katie please contact us.

BPS Chartered and HCPC Registered Psychologist

Lyn Shelton

BSc(Hons), MSc, CPsychol

About
Lyn Shelton is a HCPC Registered Forensic Psychologist with over ten years of experience in working with offenders. She is currently employed in a secure forensic site (spanning medium and low secure services) as Forensic Psychologist within a specialist learning disability service. Lyn has worked in a range of open and closed prisons including a specialist prison for men who have sexually offended and, female establishments. Lyn specialises in working with clients with learning disabilities, and sexual and violent offenders.

Lyn has over ten years of experience delivering accredited offending behaviour programmes and she has also treatment managed such programmes e.g. a high intensity sex offender treatment programme adapted for males with learning difficulties. Alongside group treatment, she delivers individual therapy, drawing on a variety of therapeutic approaches including Narrative Therapy (NT) and Cognitive Behavioural Therapy (CBT), as well as using theory from Dialectical Behaviour Therapy (DBT) and schema informed therapy. Additionally, Lyn has extensive experience of conducting assessments of risk and neuro/cognitive ability with people who have, or are alleged to have, committed a wide range of offences. She is experienced in writing reports for parole hearings and mental health tribunals and does so to a high standard. Lyn has significant experience of presenting evidence at parole hearings.

Lyn has published within the sexual offending research field. Her primary area of research interest is sexual offending, offenders with learning disabilities, and relational boundaries. To instruct Lyn, contact us.

Chartered and Registered Forensic Psychologist


Dr Sarah Hicks

BSc(Hons), MSc, DForenPsy, CPsychol

About
Dr Sarah Hicks is a BPS Chartered and HCPC Registered Forensic Psychologist. She has over seven years' experience working with males across the lifespan (child to adult) in settings such as prisons (high security, long term lifers, young offenders), medium secure hospital, and a community forensic service. Sarah is experienced in working with a range of complex needs including personality disorder, mental health, trauma, and addiction. She specialises in assessing and treating high risk violent and sexual offenders.

Sarah is experienced in assessing risk in relation to a range of psychological difficulties including personality disorder, psychopathy, and mental health. She also has experience in delivering individual and group therapy informed by a variety of models such as CBT, Cognitive Interpersonal, Schema Therapy, and Sensorimotor Psychotherapy. Alongside her expert witness role she is currently employed by the NHS where she provides assessment and treatment for male offenders with personality disorder in high security prison.

To instruct Dr Sarah Hicks, contact us.

Registered and Chartered Forensic Psychologist

Dr Lara Arsuffi

BSc(Hons), MA, MSc, DForenPsy, CPsychol, AFBPsS

About
For the past 17 years, Lara has worked in a variety of residential (child protection unit, medium, low secure and rehab wards) and community settings with clients (and their families) with multiple complex problems. Her roles have included provision of psychological assessments and therapy to individuals with enhanced rehabilitation needs linked to mental health, personality disorder, learning disability, substance misuse and risk, and conducting therapeutic interventions drawing on a range of models. Lara has lengthy experience of conducting thorough psychological assessments (including risk, personality and cognitive assessments). She has experience of preparing reports as an expert witness for the Courts, Mental Health Review Tribunals and Parole Board Hearings. Lara is currently employed by the NHS in a forensic secure setting. She has previously worked in a Youth Offending Team, assessing “high risk” young people for community or prison disposals. She has also worked in a child protection unit assessing parental capacity to continue parenting / living with their children.

BPS Chartered and HCPC Registered Forensic Psychologist


Dr Nicola Piek

BA (Hons), MA (cantab), PGDip, MSc, DForenPsy

About
Nicola Piek is an HCPC Registered Forensic Psychologist with over twelve years of experience in the field of forensic mental healthcare; working in NHS settings with male, female and learning disabled clients. Nicola specialises in the assessment and treatment of mentally disordered violent and sexual offenders. Nicola is experienced in using a range of cognitive, risk and personality assessments to inform treatment and management plans. Nicola has a special interest in working with substance use issues and in a trauma-informed way and is experienced in delivering accredited offending behaviour programmes. In addition to group work Nicola delivers one to one based treatment, informed by a variety of approaches such as CBT, CAT, ACT and schema theory. Alongside her expert witness role Nicola is currently employed by the Independent sector as a Lead Psychologist. In addition Nicola is a RAPPS registered supervisor, an experienced trainer in motivational interviewing, CBT and violence risk assessment, and is a visiting lecturer at several Forensic Psychology MSc courses across the UK.

BPS Chartered and HCPC Registered Forensic Psychologist

Dr Sarah Ashworth

BSc(Hons), DForenPsy, CPsychol, MBPsS

About
Dr Sarah Ashworth is a HCPC Registered and BPS Chartered Forensic Psychologist who specialises in working with adults within secure psychiatric services with a range of complex needs and diagnoses including mental illnesses, personality disorders, learning disabilities, autism spectrum disorder, and neurological conditions. Her clinical experience has included working with client groups across the full developmental range within the community, in-patient, low and medium secure settings, and within charitable organisations. She is experienced in formal assessments such as assessments of violence/sexual violence, personality disorder, autism spectrum disorder, and cognitive functioning. She is a qualified DBT therapist and uses a range of theoretical models within her work including CBT and Schema, in addition to developing and delivering offence-focused interventions. Additional areas of experience include providing supervision, training, consultation, reflective practice, and service development. She also has experience working as an Appropriate Adult within criminal justice proceedings ensuring people within the criminal justice system get the right support, based upon their needs. Sarah's research portfolio comprises both academic and clinical publications, in addition to national and international presentations. She focuses on topics such as autism within forensic settings, the development of psychometric tools, stalking behaviours, in addition to service and training evaluations. She was awarded the Winner of Outstanding Paper in the 2017 Emerald Literati Network Awards for Excellence, and acts as an invited peer reviewer for academic journals. She teaches on a variety of Masters Programmes across the country on topics including mentally disordered offenders, risk assessment, and formulation and is an accredited ATP tutor. She completes independent psychological assessments, and also provides training and consultancy.

BPS Chartered and HCPC Registered Forensic Psychologist


Dr Natalie Brotherton

BSc(Hons), DClinPsy, CPsychol

About
Dr Natalie Brotherton is a HCPC Registered and BPS Chartered Clinical Psychologist. She currently specialises in working with adults within secure psychiatric services with a range of complex needs and presentations including intellectual disability, mental illness, personality disorders, autism spectrum disorder, and neurological conditions. She is a qualified therapist in approaches such as EMDR and DBT, and is currently working towards certification in Schema therapy. She also has experience of developing and providing individual and group offence-focused interventions. Additional areas of experience include providing supervision, training, consultation, reflective practice and service development. Natalie's clinical experience has included working with client groups across the full developmental range within the community, in-patient and charitable organisations, and within medium and high secure services. Natalie is experienced in formal assessments such as assessments of violence/sexual violence, personality disorder, psychopathy, autism spectrum disorder, and cognitive functioning, alongside a number of neuropsychological functioning measures. Natalie also undertakes expert witness work for the criminal and family courts and provides therapy, training, and supervision on an independent basis. Natalie is involved in a number of research projects within her current role and has delivered both national and international presentations, focusing on topics such as the delivery of an adapted DBT programme to individuals with intellectual disabilities and also, related to her lead role of a project that has implemented a positive behavioural support approach across a regional service. This project won a National Learning Disability Award, in 2016, the APT RAID award for managing challenging behaviour in 2016, the RAID standard of excellence award in 2014 and 2016, and reached the finals in three categories at the National Learning Disability Awards, in 2017.

BPS Chartered and HCPC Registered Clinical Psychologist

Noreen Shami

BSc(Hons), MSc, CPsychol

About
Noreen Shami is a Chartered and Registered Forensic Psychologist. Noreen has over 16-years of experience working within mental health and offending. This ranges from working in prisons and secure mental health units, to those in the community (including probation, youth offending services, and Child & adolescent mental health services [CAMHS]). In addition to her role as an independent forensic psychologist for parole hearings, criminal and family courts, Noreen currently works part-time as a Forensic Psychologist across the secure mental health services within the NHS. This role includes working on the Offender Personality Disorder (OPD) pathway, in close conjunction with probation, police and prison staff, as well as with people with offending histories. Noreen is trained in delivering various group and individual therapeutic interventions for offenders and mental health patients, including DBT, CBT, and Mentalisation-based therapy. Noreen is also currently completing the Cardiff Law School Expert Witness Qualification. Noreen is trained in a number of structured risk assessment tools, for use with different types of risk, e.g. sexual and violent offending. She is also experienced in a range of other assessments. Noreen has a special interest in working with people with personality disorders and has conducted extensive research into command hallucinations amongst women with offence histories who have borderline personality disorder, as well as devising cognitive therapy to help manage command hallucinations. Noreen also has significant experience of working with young offenders and is trained in assessing risk of inappropriate sexual behaviour (AIM2) and violence (SAVRY) in young people. Noreen also delivers training to other professionals in areas including forensic mental health, personality disorder, self-harm, working with challenging behaviour, and cognitive therapy for command hallucinations.

BPS Chartered and HCPC Registered Forensic Psychologist

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