Dr Sally Powis, BSc (Hons), MSc, DClinPsych, CPsychol, AfBPsS
Sally is a Consultant Clinical Psychologist, chartered with the British Psychological Society and registered with the Health Care Professions Council (HCPC) and BUPA. She has worked with both autistic children and adults since 1999 in various settings including the NHS, private and charitable providers and is in high demand for her knowledge, experience and calm approach.
She is based in Cornwall and visits Oxfordshire every few months, working with autistic adults. Her work has included assessment and diagnosis using internationally recognised assessment tools, training other professionals in diagnosis, therapy to individuals, speaking and/or providing training to various audiences locally, nationally and internationally, consultation to local autism service commissioners and providers, development of autism services and training other health professionals to assess and diagnose autism. She has also been involved in 2012-13 in setting up services in the Caribbean for autistic people. More recently, Sally is also being sought out for her experience of working with autistic people with gender dysphoria.
SALLY WILL BE RETIRING IN DECEMBER 2025 SO IS NOT ABLE TO ACCEPT ANY NEW CLIENTS
Dr Perry Morrison, BSc (Hons), DClinPsych, CPsychol, MBPsS.

Perry is a Clinical Psychologist, chartered with the British Psychological
Society and registered with the Health Care Professions Council (HCPC) and BUPA. He is a qualified Cognitive Analytic Therapy (CAT) practitioner and supervisor
and has also undertaken intensive training in Dialectical Behaviour Therapy (DBT). Perry is also trained in assessment and diagnosis of autism and ADHD in adults using internationally recognised assessment tools.
He has worked across a range of services including the NHS, and private and charitable sectors, with children, adults, families, groups and staff teams, inpatient services and community teams. He currently works in Cornwall providing therapy to both neurodiverse and neurotypical adults. He has experience of preparing reports for Court, working with offenders and people diagnosed with personality disorders.
PERRY WILL BE RETIRING IN DECEMBER 2025 SO IS NOT ABLE TO ACCEPT ANY NEW CLIENTS
Dr Sarah Coles, BSc (Hons), MA Systemic Psychotherapy, DClinPsych, CPsychol, AfBPsS
Dr Coles is a Chartered Clinical Psychologist, a member of the Division of Clinical Psychology, a fellow of the British Psychological Society as well as a member of the Healthcare Professionals Council (HCPC). She is also a Systemic Psychotherapist and registered with UK Council for Psychotherapy and the Association of Family Therapy.
She has worked in the NHS since 2003 across a range of clinical settings including with children and young people, adults, families, older adults, couples, people with Intellectual Disabilities and staff teams. She works using a range of talking therapies including Cognitive Behavioural Therapy, Systemic psychotherapy, and Narrative approaches. She believes in important to work alongside her clients to gain a shared understanding and approach to difficulties, tailoring interventions to meet the individual needs and preferences of her client. Sarah is also trained in assessment and diagnosis of autism and ADHD in adults using internationally recognised assessment tools.
She is based in Oxfordshire.
Lindsay Grant, BSc (Hons), MSc CBT, MBABCP
Lindsay is a qualified Cognitive Behavioural Therapist with a Master’s Degree in CBT (MSc CBT), an Honours Degree in Psychology (BSc Hons), and she is an accredited member of the British Association of Behavioural and Cognitive Psychotherapists (BABCP). She specialises in working with children, young people and adults with a diagnosis of autism and ADHD by adapting Cognitive Behavioural Therapy and also elements of Mindfulness, Acceptance and Commitment Therapy (ACT), Compassion Focused Therapy (CFT) and Eye Movement Desensitisation and Reprocessing (EMDR). She is experienced and qualified in diagnosing autism using internationally recognised assessment tools.
Lindsay has previous experience of working within an NHS Primary Care service, and for a private organisation as the lead Cognitive Behavioural Therapist in a special education school for adolescents with a diagnosis of autism and associated difficulties. She has extensive experience working within mental health in various settings, both inpatient and outpatient. Lindsay is based in Swindon, Wiltshire and also works in Oxfordshire.


