Meet Our Associates

At Make Sense Psychological Services, we are proud to work with a team of highly experienced and dedicated forensic psychologists. Our associates bring a wealth of specialist knowledge from across the criminal justice, mental health, and forensic psychology sectors. Each professional is HCPC registered and BPS chartered, with years of experience in delivering expert risk assessments, therapy, and consultancy across custodial, secure healthcare, and community settings.

This page introduces our trusted associates – experts who share our commitment to high-quality, ethical, and evidence-based psychological practice. Whether working with clients with complex needs, offering expert witness services, or providing therapeutic interventions, their work reflects the core values of Make Sense: professionalism, integrity, and compassion.

Explore their profiles below to learn more about the team supporting our work.

Our associates are trusted, highly experienced forensic psychologists dedicated to delivering expert, evidence-based services.

  • Michele Unwin

    Lead Psychologist, Head of Psychological Services at HMP Oakwood

    Michele is an HCPC-registered Forensic Psychologist and Chartered Member of the BPS with over 17 years’ experience in the prison system. She specialises in the assessment and treatment of sexual and violent offenders and has developed services for individuals with personality disorders. Michele has delivered a range of therapies, including DBT and Schema Therapy, and is proficient in risk assessment tools such as the HCR-20v3, RSVP, and SARA v3. She supervises academic and clinical trainees through Cardiff University and BPS Stage 2 routes.

  • Dr Paul Farrington

    Forensic Psychologist and Expert Witness

    Paul is a Chartered and HCPC-registered Forensic Psychologist with a specialist focus on forensic mental health, personality disorders, trauma, and neurodevelopmental conditions. He is experienced in schema-informed formulations and trauma-focused treatment. Paul provides high-quality risk assessments and expert evidence in legal and parole settings. He is trained in the ADOS-2, ADI-R, and risk tools such as the HCR-20v3, RSVP, and SAPROF.

  • Bal Sanderson

    Forensic Psychologist and Expert Witness

    Bal is an HCPC-registered Forensic Psychologist and Chartered Member of the BPS with over 16 years' experience. She has worked across NHS, public and private prisons, and community services. Her expertise includes risk assessment and treatment of sexual and violent offenders, as well as personality disorders. Bal provides expert witness reports for courts and parole boards.

  • Dr Naomi Budd

    Forensic Psychologist and Specialist in Acquired Brain Injury


    Naomi is an HCPC-registered Forensic Psychologist with 26 years' experience in the prison system. She holds a Professional Doctorate in Psychology for her research into ABI among indeterminate prisoners. Naomi provides specialist risk assessments for parole and courts and works with individuals convicted of serious violent and sexual offences.

  • Scott van der Merwe

    Forensic Psychologist and Former Head of Psychology (HMP)


    Scott is a Chartered and HCPC-registered Forensic Psychologist with over 17 years’ experience. He has led prison psychology teams and delivered risk assessments and interventions for sexual and violent offending. Scott is proficient in tools such as the HCR-20v3, RSVP, ERG22+, and WAIS-IV, and is highly regarded for his expert evidence delivery.

  • Julia Croft

    Forensic Psychologist and Accredited Programme Specialist


    Julia is a BPS Chartered and HCPC-registered Forensic Psychologist, with experience since 2007. She specialises in working with men and women who commit sexual and violent offences. Julia is skilled in delivering and managing both moderate and high-intensity accredited programmes and is trained in a broad range of cognitive and risk assessment tools.

  • Lorna Gray

    Forensic Psychologist and Accredited Risk Assessor (Scotland)
    With over 19 years of experience, Lorna specialises in intimate partner violence, stalking, extremism, and personality disorders. She provides assessments for the Scottish High Court and the Parole Board and is an accredited schema therapist. Lorna integrates individual therapy with forensic risk management strategies.

  • Dr Louise Sainsbury

    Consultant Clinical & Forensic Psychologist


    Louise has worked in forensic mental health for over 25 years, co-leading a high-security personality disorder service. She is an ISST-certified Schema Therapy trainer and supervisor. Louise holds a postgraduate certificate in Mental Health Law and specialises in trauma-informed therapy, attachment, and treatment-resistant presentations.

  • Dr Laura Challinor

    Forensic Psychologist and OPD Pathway Specialist


    Laura holds a Doctorate in Forensic Psychology and is registered with the HCPC. She has worked across all levels of secure healthcare, treating individuals under the Mental Health Act. Laura specialises in personality disorders and sexual offending and is trained in Schema Therapy, EMDR, DBT, and structured risk tools.

  • Melanie Merola

    Consultant Forensic Psychologist and Strategic Clinical Lead (NHS)


    Melanie is a Chartered Forensic Psychologist with a career spanning HMPPS and NHS services. She currently leads the HMP Aylesbury OPD Pathway and is proficient in a wide range of cognitive and risk assessments. Melanie has also served as Head of Psychology and brings extensive experience in accredited offending behaviour programmes.

  • Azania Thomas

    Forensic Psychologist and Complex Needs Specialist


    Azania is a Chartered and HCPC-registered Forensic Psychologist with over 12 years’ experience in psychiatric and custodial settings. She specialises in Autism, personality disorders, learning disabilities, and mental illness. Azania is trained in DBT, Schema Therapy, ACT, CFT, and a range of risk and cognitive assessments.

  • Sally Evans

    Forensic Psychologist and Gender-Sensitive Risk Specialist


    With over 20 years of experience, Sally specialises in psychological risk assessments across sexual offending, stalking, personality disorders, and mental health. She is particularly knowledgeable in working with trans and gender-diverse individuals in the justice system and uses a structured, evidence-based approach.

  • Louise Riddoch

    Forensic Psychologist and OBP Practitioner


    Louise is a Chartered and HCPC-registered Forensic Psychologist with over 19 years of experience. She is highly experienced in the assessment and treatment of sexual and violent offenders and has delivered and managed a range of accredited offending behaviour programmes.

  • Dr Rachael Wheatley

    Practitioner (Forensic) Psychologist

    BSc Hons, MSc, DPsych, CPsychol, AFBPsS, CSci, EuroPsy

    Dr Wheatley is a HCPC-registered and BPS-chartered forensic psychologist with over 20 years’ experience. She offers specialist risk and needs assessments, therapeutic interventions including ACT and EMDR, and has expertise in stalking-related cases.

  • Sharon Jones

    Sharon is a Chartered, HCPC Registered Forensic Psychologist.

    With over 18 years’ experience across forensic, community and inpatient settings. She is Head of Psychology at a private hospital in Hertfordshire and specialises in complex cases involving personality disorder, neurodiversity and severe mental illness. Sharon is highly experienced in risk assessments and expert witness reporting for the Parole Board.

  • Kate Green

    Forensic Psychologist - HCPC Registered · Chartered Member of the BPS

    Kate has almost 20 years’ experience across prisons, secure hospitals, and community settings. She currently works in a community CAMHS team, supporting young people at risk of psychosis or involved in the youth justice system. Kate is trained in a range of trauma-informed therapies and assessment tools, and she holds an honorary Assistant Professorship at the University of Nottingham, with research focused on early life trauma and mental health.

If you're unsure which associate is best suited to your needs, please get in touch. Our team will be happy to discuss your case and connect you with the most appropriate expert for your situation.