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Dr Joanne Stuart

Clinical Director

Dr Stuart has been a practicing psychologist for 18 years. She heads the team at DSP and is a trainer in psychological treatment and regularly supervises other psychologists. Dr Stuart has an expertise in providing evidenced-based treatments for all adult mental health problems. Anxiety disorders, pain management and eating disorders are her specialist interest.


Dr Anne Lane

Principal Psychologist

Dr Anne Lane has been providing evidence based therapeutic interventions for a wide range of psychological disorders in adults and children since 1996. She has worked in the NHS as a Specialist, Highly Specialist and Principal Clinical Psychologist / Professional Manager. She provides supervision, training and consultation to psychologists and people from other disciplines. She has a doctorate in clinical psychology and a masters in systemic therapy.


Gemma Lutwyche

Highly Specialist

Counselling Psychologist

Gemma qualified as a counselling psychologist in 2001. Since that time, she has had extensive experience working with a variety of disorders and with people across the ages. She has had substantive post within the NHS where she has supervised other specialist psychologists. She is able to work with children, adults, families and with couples. Her approach is one of focused and goal centred and her aim is to help individuals quickly achieve an understanding of their difficulties and how they can improve their situation.

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Dr Jayne Griffiths

Principal Psychologist

Dr Griffiths has been a practicing psychologist for 14 years and has a doctorate in Clinical Psychology. NHS posts included highly specialist and principle psychology role where Dr Griffiths provided supervision and training, and management to other psychologists. She has  a doctorate in clinical psychology and a highly specialist training in Neuropsychology and Acceptance and Commitment Therapy. Anxiety disorders, trauma and neuropsychological rehabilitation are her specialist interests.

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Simon Birke

Consultant Psychologist

Simon has worked as a clinical psychologist for over 30 years, initially in the NHS and now as an independent practitioner. He has experience in a wide range of areas, primarily using a cognitive behavioural approach. Working collaboratively, usually on a 1 to 1 basis, he sees people with anxiety, depression, ocd, phobias, sleep, low self - esteem and anger /assertiveness issues. He also has seen clients with drug and alcohol problems, gambling habits and men who are abusive to their partners. 

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Dr Marianna Murin

Principal Psychologist

Marianna has spent her career specialising in the area of the autistic spectrum disorders. She spent ten years working as a principle psychologist at Great Ormond Street Children's hospital and has conducted extensive research in this field. Autism affects both individuals and families and Marianna helps our team to understand the issues that can emerge. She is an international Autism Diagnostic Observational Schedule trainer and has works with-in a multi-disciplinary team providing assessments and treatment for children, young people and adults with neuro-spectrum disorders.