Oxford ADHD & Autism Centre Team

We have a multidisciplinary team at Oxford ADHD & Autism Centre, offering a wide range of experience, skills and knowledge about ADHD, Autism and related conditions.

Consultant Psychiatrists

p photo 1Professor Peter Hill is a consultant child and adolescent psychiatrist with extensive training and qualifications in general medicine, psychiatry, child and adolescent psychiatry and paediatrics. His main work nowadays is in private practice, focusing on neurodevelopmental disorders and mental illness in the young. He has previously headed departments at St George’s, University of London, (where he was foundation professor of child mental health in the University of London), and at Great Ormond Street Hospital for Children. Over the years he has advised government departments in the UK and overseas on child mental health issues, particularly service delivery. He has been a key opinion leader in ADHD for some twenty years, and writes, lectures and advises on the management of ADHD nationally and internationally.

Dr Tanya McGregor was born and raised in South Africa and she studied Medicine at the University of Cape Town.She immigrated to the UK in 1996 and trained in Psychiatry in Oxford, completing her training in Child and Adolescent Psychiatry at the Tavistock and Portman NHS Trust.

She returned to Oxford in 2005 as a Consultant, and has worked for Oxford Health NHS Foundation Trust for 12 years as a CAMHS Consultant.

She has a special interest in the diagnosis and management of children with neuro-developmental disorders.

Dr Haido Vlachos MBBCH, MRCPsych, PG Dip Applied Systemic Theory (UEL), PGCCE with Distinction (OBU).  Dr Vlachos completed her specialty training in Child and Adolescent Psychiatry in Oxford. She has been a Consultant Child and Adolescent Psychiatrist for the last 15 years, with additional interests in developing colleagues, promoting excellence balanced with humanity in medical education, and pragmatic clinical research. Her main area of clinical specialism is neurodevelopmental disorders such as Autism and ADHD, and the mental health of children with learning disabilities. In her previous role as a Consultant Child and Adolescent Psychiatrist for Central and North West London NHS Foundation Trust, she was the local lead for the Neuropsychiatry and Neurodevelopmental Pathway. Her work in this area garnered her the 2017 Women Leaders MK awards for both Professional Services and Public Services. Her current Clinical work for the Cambian Group involves the assessment and treatment of a range of disorders in younger children and adolescents with autism and learning disabilities, (including among others depression, ADHD, anxiety disorders, OCD, eating disorders, and emotional and behavioural disorders). She delivers treatments in the following therapeutic modalities: Psychopharmacology; Behavioural Therapy; Cognitive Behaviour Therapy; Family therapy; and Psychodynamic psychotherapy, in addition to complex multisystems work, particularly when child protection issues are involved.
Among her other roles, she is also a GMC-accredited trainer for both the Core Psychiatry and Higher Specialty Training Schemes in Child and Adolescent Psychiatry for the Oxford Scheme with enhanced professional supervision and appraisal skills, and an Associate Dean for Professional Support at Health Education England-Thames Valley (formerly the Oxford Deanery) where she focuses on physician well being and resilience.

Dr Stephen Barrattshaw MBChB BA BMedSci MSc MAcadMEd MRCPsych is a Consultant General Adult & Rehabilitation Psychiatrist. He originally trained as a nurse before medical school where he completed research, publishing papers in several international medical journals. He completed psychiatry training South Wales, obtaining Membership of The Royal College of Psychiatrists and completed a Masters Degree in Strategic Leadership in Healthcare. Dr Barrattshaw is a Member of The Academy of Medical Educators, was formerly Clinical Lecturer in Psychiatry for The University of Cardiff, Psychiatry Module Director for Swansea Medical School’s Physician Associate Course and is currently Director of Medical Education for a large NHS Trust. As a Consultant he has worked within in-patient and psychiatric intensive care settings, hospital liaison and community mental health. He is currently the Consultant Psychiatrist for a busy Early Intervention in Psychosis Service, and due to his special interest in ADHD, also holds a busy NHS Adult ADHD clinic. Dr Barrattshaw joined our team in 2021 and provides remote (online) assessment and reviews only.

Dr Graeme Tosh qualified as a General Adult Psychiatrist in 2009, having studied in Dundee, Scotland; and originally from Northern Ireland. He completed his psychiatry training in a number of locations across the UK before joining Rotherham Doncaster and South Humber NHS Trust in 2012 when he became a Consultant. Whilst at RDaSH he has worked in a variety of General Adult Psychiatry teams including Early Intervention in Psychosis, Intensive Community Therapies, Hospital Liaison, Perinatal Mental Health, Assertive Outreach, Adult Inpatients and most recently Adult ADHD where he has worked for the past 3 years as the medical lead for diagnostic services in Rotherham. In a management capacity Dr Tosh has led on service development and improvement in many of these teams and currently holds the post of Deputy Medical Director in his NHS Trust. He is also Executive Medical Director designate for the Trust, due to take up this role in April 2022.

Dr Shahnaz Hassan is a general adult consultant psychiatrist with a specialist interest in adult ADHD, experienced in its diagnosis and management.  She graduated from the university of London, St George’s with a bachelors in neuroscience as well as medicine and surgery.  She is also qualified as a member of the royal college of psychiatrists and a published researcher.

Dr Hassan has a passion for lifestyle psychiatry, aiming to equip people with lifelong personal resources such as regular physical activity, to manage their mental wellbeing. She is a qualified UK athletics coach, setting up & personally volunteering at a community based, weekly mental health support running and walking group (Run talk run & walk talk walk). She lives by what she preaches and is a keen triathlete herself and encourages others to find their passions in life to help them reach their full potential.

Dr Karolina Szumanska-Ryt is a Consultant Child and Adolescent Psychiatrist who has a wealth of experience in the assessment and treatment of a wide range of mental health problems and emotional difficulties affecting children and young people including depression, anxiety, obsessive compulsive disorders, body dysmorphic disorder, eating disorders, deliberate self-harm, ADHD, ASD and Pervasive Arousal Withdrawal Syndrome (PAWS). Her goal is to help children with early intervention to reach their full potential and thrive with a long term positive impact for both the child and their family.

Dr Szumanska-Ryt completed her core Psychiatric training in Cork and Kerry, Ireland. She then gained further experience working on an Adolescent PICU before completing her Specialist Training in Manchester. Dr Szumanska-Ryt started her Consultant career working on a children’s inpatient unit helping children and young people with neurodevelopmental difficulties (ADHD and ASD), eating disorders, depression, anxiety, psychosis, OCD and Pervasive Arousal Withdrawal Syndrome (PAWS).

Dr Szumanska-Ryt takes a holistic and whole family approach and appreciates that the journey to seek an assessment can be a long and stressful one. She strives to create a safe and calm environment that will put you at ease and adopts a comprehensive and empathetic method when working with children and their families ,extending support during challenging moments. Safe and bespoke care is at the centre of her practice.

Clinical Psychologists

Claire Rowbury imageDr Claire Rowbury is a Chartered Clinical Psychologist with over 20 years’ experience in an NHS Child and Adolescent Mental Health Service and Neurodevelopmental Service. Claire’s interest in Autism Spectrum Disorder and ADHD began during her early career when as a Developmental Psychologist, she was part of a research team at the University of Nottingham which explored the impact of Neurological and sensory conditions on infant social development. Recently, Claire has completed specialist training in clinical supervision which has led to her developing her role as a clinical supervisor to other team professionals. Currently, Claire is part of the Coventry and Warwickshire Neurodevelopmental Service, assessing children from the age of three to seventeen years and contributing to the provision of psychological therapies to children and young people.

Dr Suzanne Smith is a Clinical Psychologist who, since qualifying in 2009 has specialised in assessment and intervention of children on the Autism Spectrum and has worked for the past 11 years in the NHS. She is currently part of South Warwickshire Neurodevelopmental Service assessing and supporting children and young people aged between 3-17 and has written and delivered groups for parents of children on the Autism Spectrum.  Suzanne has extensive experience in ADOS 2 and Cognitive assessments and has particular interests in gender disparities within Autism and Attachment. In addition, Suzanne is a guest lecturer at Coventry and Warwick University Psychology Masters course. Prior to training as a Clinical Psychologist, she worked for 6 years in various forensic and inpatient settings.

Magda Bouwman is a clinical psychologist who completed her studies in South Africa.  Magda’s training enabled her to have an eclectic approach, though she has always had a leaning towards psychodynamic theories. She began working with children but subsequently moved to adult inpatient units whilst also doing outpatient work.  She immigrated to The Netherlands 12 years ago and worked in a diagnostic unit and private practice. It was during this time that her passion for neurodevelopmental conditions began when completing neurodevelopmental, neurological and psychological assessments.  8 years ago Magda moved to the UK and worked in NHS and private practice inpatient units, firstly with adults with Learning Disabilities and then in adult and adolescent acute inpatient wards.  This sparked interest in systemic therapy. Magda has completed a course in DBT skills training, which formed the basis of seeing groups in the wards but also doing less structured ‘open groups’. Magda is ADOS and ADI-R trained and over the last 2 years had continued conducting assessments in Neurodevelopmental teams in CAMHS.  Magda has also increasingly seen adults as well as young people with ASD and/or ADHD for therapy and this has continued to be her major field of interest and enjoyment. Magda joins the Oxford ADHD & Autism Centre team in Summer 2022.

Dr Jennifer Chapman is a Clinical Psychologist with a passion for working with children, young people, and their families. Since completing her Doctorate in Clinical Psychology at The University of Oxford, she has worked for Oxford Health NHS Foundation Trust in their CAMHS Neurodevelopmental conditions team. She is qualified to use the Autism Diagnostic Observation Schedule (ADOS), the Autism Diagnostic Interview-Revised (ADI-R), and the WISC (Wechsler Intelligence Scale for Children). These are comprehensive tools which are particularly useful for diagnosing neurodevelopmental conditions and learning needs. Jennifer has a particular interest in anxiety disorders and has conducted and published research on social anxiety disorder in children, collaborating with leading experts in the field. She also teaches and supervises students on The University of Oxford Doctorate programme in Clinical Psychology.  Jennifer joins the Oxford ADHD & Autism Centre team in Summer 2022.

Kate Philip is a Speech and Language Therapist from the UK. She gained a BSc in Psychology from Exeter University in 2005 and qualified as a Speech and Language Therapist from City University London in 2011. She has provided assessment and therapy within paediatric multidisciplinary clinics, special education/mainstream schools and specialist schools for children with Autism Spectrum Disorder in London and Singapore for 11 years. She works with a range of diagnoses including Autism Spectrum Disorder, Social Communication Disorder, Articulation delay, Phonological delay/disorder, Language delay/disorder and Apraxia.   Kate has a special interest in Autism Spectrum Disorder and has attended a number of post graduate courses within this field including; The Autism Diagnostic Observation Schedule, Second Edition (ADOS-2), DIR Floortime Basic Certificate (Relationship based therapy for children with autism), More Than Words: Hanen Workshop (Building interaction and language skills for children with Autism Spectrum Disorder or Social Communication Difficulties), The Picture Exchange Communication System (PECS) Level 1 and the Elklan AAC training package. Kate is a member of the Royal College of Speech and Language Therapists and the Health and Care Professions Council UK.  She joined the Oxford ADHD and Autism centre in 2022 and will be involved in Autism Assessments.

Dr Theresa Nicholas CPsychol, AFBPsS is a Forensic Psychologist and Cognitive Analytic Therapist specialising in neurodevelopmental conditions. She has worked clinically with adults with neurodevelopmental conditions for over 15 years in forensic and non-forensic services with varied and very complex psychological difficulties. She has worked for the Oxfordshire Learning Disabilities Trust, South London and Maudsley NHS Trust and the Oxford University Counselling Service, amongst other organisations. Dr Nicholas is also a visiting Lecturer at The Institute of Psychiatry Psychology and Neuroscience at King’s College London and currently works as a neurodevelopmental consultant in the assessment and treatment of adults and young people with neurodevelopmental conditions.  Theresa conducts part of the adult Autism assessments at the Oxford ADHD and Autism Centre.

Assistant Psychologists

Lauren Warner is an Assistant Psychologist who graduated with a Masters in Child and Adolescent Mental Health from UCL in 2020 after completing an Undergraduate Degree from the University of Kent in 2019. Lauren has experience working in a school-based setting, supporting children with additional needs including ASD, ADHD and trauma-related developmental delay. She has also carried out research at UCL to investigate the impact of COVID-19 on children and adolescents with ASD and intellectual disabilities. Lauren is involved in administering the DIVA for adult ADHD assessments, QB checks and assists with children’s assessments.

Jodie Webb is an assistant psychologist who graduated with her Master’s from Royal Holloway University of London in 2020 after gaining her undergraduate degree from The University of Northampton in 2019. She has experience working in an inpatient hospital with a range of mental health conditions including ASD, ADHD and LD as well as volunteering in the NHS as a research assistant. She enjoys being able to support individuals to gain the help and support to be able to achieve their goals. She is involved in administrating the DIVA for adult ADHD assessments, QB checks and assists with children’s assessments.

Neurodevelopmental Specialists

Sarah Brown is a specialist mental health practitioner who has worked in the Autism and ADHD team within Oxford CAMHS for 3 ½ years.  Sarah has both therapeutic and assessment skills and is particularly experienced in supporting families post-diagnosis, enabling them to be pro-active around their child’s needs.  Before working in the NHS, Sarah worked in a residential therapeutic setting, and has hands on experience of working with children and young people, their families and carers, using a range of therapeutic interventions. Sarah completed her M.A at the University of Liverpool in 1997 and became a registered social worker. She worked extensively in statutory children’s services in London, which included both a hospital and children with disabilities team. It is here that Sarah developed a particular interest in supporting families with neuro-developmental conditions.  Sarah joined the Oxford ADHD & Autism Centre in 2022 and will be involved in autism assessments and post-diagnostic services.

Ferry Bayat graduated from the University of Liverpool with a Masters in Psychology and completed her training in assessment tools including ADOS2, ADI-R and DISCO, at King’s College London, UCL and National Autistic Society UK.  Ferry also holds a Masters in Inclusive and Special Needs from the University of Queensland, Australia and is a certified ESDM and TEACCH practitioner for working with children in the age group of 3 to 12 years. She has worked in multiple settings including clinical psychology, special needs and primary schools for Autism, ADHD and other behavioural difficulties.

Mark Brady is a Cognitive Behavioural Psychotherapist with a special interest in
autism. Mark completed his undergraduate degree in Psychology and Masters degree in Neuropsychology in Bath, before attending training in Psychological  Therapies at Exeter University. Mark has over 10 years experience working across a range of NHS and independent settings, in both Primary and Intermediate Care Teams. Mark provides psychological interventions for a broad range of mental health difficulties as an accredited CBT Therapist. He also utilises Compassion Focused Therapy, Mindfulness, Lego Therapy groups for children and provides social skills training for adults. Mark also works for autism diagnostic services and is both ADOS-2 and ADI-R trained.

Emma Woodhouse is a Neurodevelopmental Specialist at The Institute of Psychiatry, Psychology and Neuroscience.  She has extensive clinical and research experience, and has worked at The Maudsley Adult outpatient ASC/ADHD service, The National Autism (inpatient) Unit at The Bethlem Hospital and The Anna Freud National Centre for Children and Families. Emma is an experienced trainer and supervisor in the Autism Diagnostic Observation Schedule –Second Edition (ADOS-2) and the Autism Diagnostic Interview- Revised (ADI-R).  She has completed over 1,000 ADOS-2 and ADI-R assessments, which includes high profile medicolegal work. Emma is a qualified integrative counsellor and member of The British Association of Counselling and Psychotherapy (BACP), and works therapeutically with both adults and children. Emma is a member of the UK ADHD Partnership with a particular interest in ADHD and co-occurring conditions.  In addition to ASC and ADHD, she has a particular interest in working with gender dysphoria, personality disorders and forensics.  Emma runs workshops about ASC and ADHD, and has contributed to a number of research publications.

Specialist Nurse Team

Sam Barry qualified as a registered learning disabilities nurse in 1999.  Her nursing career spans over 20 years with 15 of those being in senior nurse positions and management roles.  Sam has worked with children and young people since 2009 in the role of Head of Healthcare at a secure training centre.  Sam is currently a Senior Practitioner and NMP (nurse prescriber) for the NHS within a Specialist Child and Adolescent Mental Health Service, providing care to children and young people with complex mental health needs, including diagnosis and treatment for ADHD patients.  Sam is the pathway lead for anxiety and mood disorders, overseeing the treatment path of all patients on this pathway.  Sam is also a trained Dialectical Behaviour Therapist and is part of the specialist DBT team within her CAMHS service. Sam supervises and supports other practitioners within the team and holds a position on the senior leadership team.  In addition Sam is currently studying her Masters in Advanced Clinical Practice.  Sam’s engaging personality ensures that families and children alike feel comfortable and supported within challenging times and whilst seeking professional support.

Jennifer Hawkins qualified as a Mental Health Nurse in 2013 and became a Non-Medical Prescriber in 2018 whilst working within Berkshire CAMHS.  Prior to qualifying as a Nurse, Jenny worked as a support worker with Older Adults in Berkshire who had acute and chronic mental health difficulties; and in a domiciliary care service prior to this.  Jenny currently works in the NHS Child and Adolescent Mental Health Services providing support, assessment and management of treatment within the NDC (Neurodevelopmental Conditions) team. Jenny joined the Oxford ADHD & Autism Centre in 2022 and offers follow up appointments for ADHD medication reviews.

Rhiannon Turner qualified as a paediatric nurse with a first class honours degree in 2009 and has had a varied and extensive career within the NHS. She developed a specific interest in children and young people’s mental health whilst supporting young people presenting with mental health crisis as an A&E nurse.  Working as a specialist mental health practitioner within her local CAMHS service, that interest developed into a passion in working with neuro-diverse children, young people and their families. During her 6 years within this service, Rhiannon further developed the ADHD clinic, supporting staff with processes and peer clinical supervision.  Rhiannon has an invested interest in clients who receive a later diagnosis and in supporting families where there are additional complexities. Rhiannon led a physical monitoring clinic in her previous service and developed processes which supported the large patient base of the ADHD service to ensure there were consistent regular reviews, that met the ADHD NICE Guidelines 2018, ensuring consistency of care across the service.  Rhiannon always looks for new research and learning opportunities to enhance her skills and knowledge further. She has studied as a Leadership Florence Nightingale scholar, trained as an NVR therapist and gained further training in CBT.   Rhiannon is recognised for her exceptional skills in ADHD and risk assessment, ADHD medication management reviews, safeguarding and family centred support with a thorough and kind approach.

Zoe Minshull is a passionate nurse with over 20 years’ experience working in the NHS in various settings including both inpatient and community. Zoe has experience working with complex mental health conditions, including neurodevelopmental conditions.  She has experience and knowledge of safeguarding processes from working as a safeguarding lead with families from deprived backgrounds. Zoe is trained and experiences to diagnose ADHD in both children and adults, and has robust knowledge of the pharmacological treatments available in order to prescribe safely for the treatment of anxiety, depression and ADHD.  Zoe is also trained in the ADOS, used for autism assessments of both children and adults. Zoe is commited to ensuring every individual receives high quality care, delivered in a timely manner, in order for them to achieve their full potential. Zoe joined the clinic in 2023.


Francesca Melluzzi is a well-being practitioner, somatic coach, mentor, and trauma & mental health practitioner; with 20 years of experience working with body-based therapies using coaching, breath work, therapeutic art, yoga and embodied movement.  Her work is based on Somatic coaching, mindfulness, psychoeducation, attachment theory, and polyvagal theory with the understanding that stress is released through the body and not just talking alone.  She firmly believes that people thrive when they are made to feel emotionally and psychologically safe.  She feels it is possible to create an empowering and nurturing space for any young person, so that over time, it will bring about a sense of trust towards themselves and others, ultimately resulting in them feeling closer to being in their own autonomy with practical tools and strategies to manage the ups and downs of life. Francesca also works with various Oxford based charities and runs courses for parents with neurodivergent children through the NHS and CAMHS. She has also worked as a support worker for a respite centre  – “Camp Mohawk”, which supports children and families with special needs.  Francesca has also co-founded a youth well-being project called ‘Thrive teens’ that supports teenagers to connect with other neurodiverse young people, through the use of therapeutic art as well as using movement, sound, and mindfulness as tools and strategies that give people practical ways to manage difficult emotions, and to improve both physical and mental health.

Special Educational Needs

Katherine Rose is a Special Educational Needs specialist, working for over 20 years with young people aged 3 to 16+ in a variety of educational settings.  As a SENCO and school senior leader, she has a wealth of experience and knowledge across all aspects of children’s academic and wider learning needs.  For the past 12 years Katherine has been SENCO and Inclusion Lead of a large primary and nursery school, alongside her roles as Mental Health First Aider and the Designated Looked After Children and Safeguarding Lead. She has been responsible for the early identification of and planning and overseeing provision for any learning needs, in collaboration with pupils, parents, family, teachers and external agencies. She is an experienced SEND trainer, coach and mentor for staff and parents and headed up a team of 30 support staff.   She is a strong advocate, voice, and often mediator, for all those involved in the life of each pupil – the pupil, parents/family and school team.  She takes pride in quickly forming trusted, nurturing and confident relationships with pupils and adults.  She is particularly skilled at recognizing and unpicking problems swiftly, and often imaginatively, to find resources, lasting strategies and positive outcomes. She has a particular specialism, knowledge and interest in the neurodiverse learning needs of pupils and how underlying self esteem, resilience, anxiety and mental health problems can interplay.  Katherine is dedicated to supporting pupils, parents and school teams to understand how to learn to what makes each pupil tick and above all how to “join the dots” for every pupil so that they can be happy, thrive, be resilient and confident and reach their potential.

Administration Team

Biog photo2Charlotte Jarvis has over 18 years’ experience in the NHS, working for the Oxford University Hospitals NHS Trust.  Charlotte started her career in administrative roles supporting Orthopaedic Teams at the Nuffield Orthopaedic Centre.  She then gained Trust wide experience in an analytical role, before becoming the Business Analyst for the Orthopaedic Division; and ultimately an Elective Access Support and Performance Manager for the Trust.  Charlotte joined the Oxford ADHD & Autism Centre in February 2019 as Practice Manager, and enjoys working as part of a multidisciplinary team; helping children and adults find the support they need to face their challenges and difficulties in life.

Julia Hutton joined the Oxford ADHD and Autism Centre team as a Secretary and office administrator in November 2021.

Julia has over 22 years experience as a medical receptionist and medical secretary, working within both the NHS and private sector.

Julia brings a wealth of experience to the team, assisting with the efficient processing of our office administration duties and effective communication with patients post assessment.

Donna Edwards joined the Oxford ADHD and Autism Centre in November 2022 as a Secretary and office administrator.

With personal experience of autism and ADHD, Donna enjoys being part of our clinic to help and support others, but also enjoys supporting our clinicians with their work for our clients.

Donna comes from a healthcare background, having worked for the NHS in GP surgeries in a variety of roles for 20 years.

Caitlin Godbolt Kendall joined the Oxford ADHD & Autism Centre in April 2022 in an administration and reception role, predominantly at our new clinic premises in Garsington.   After finishing her studies, Caitlin worked for her local GP Practice for 3 years.  During this time Caitlin achieved a distinction in a Level 3 Business and Administration qualification. In addition to this, Caitlin also has experience working within the catering and customer service industry.   Caitlin’s experience in working with people, patients and in a busy environment, has given her a passion to help others. Caitlin enjoys being part of a team where she meets lots of new people and enjoys the variety of her role each day.

Carol Green joined the Oxford and Autism Centre in June 2022. Carol has worked in a Customer Relations role in hospitality and more recently a care home setting for 25+ years.

With personal experience of Autism and ADHD, Carol wanted to join our team to gain experience,  be part of a friendly working team and to offer help with assisting families in the support and guidance we offer through assessments and follow up treatment for children and adults.

Caroline, Grace, Eman, Rebecca, Rochelle, Jemima, Katy and Jess complete our team, covering reception, administration duties and assisting with general enquiries.

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