07769 157727info@addictiontherapylondon.com

Nicky Walton-Flynn Founder


Nicky is the founder of Addiction Therapy London. She has ten years experience working as an addiction psychologist and trauma therapist. She founded ATL with the aim of offering the highest level of care and support to individuals who have been affected by the condition of addiction and relational disorders. She has worked at a private residential rehab in London as well as with charity organisations offering harm minimisation interventions for homeless people and street addicts.

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Nicky has trained with Pia Melody at The Meadows and is aware that Relational Trauma often underpins addictive processes in adulthood. She is also trained in EMDR and works with individuals suffering with PTSD.  Her therapeutic approach is integrative and widely holistic; she is a fan of integrating sport, meditation, spiritual practice, yoga and bodywork into her treatment methods. She sat on the board of the Federation of Drug and Alcohol Professionals and see patients in The City and in South West London.  Prior to changing career she worked as an analyst in the telecoms sector. She brings an experience and understanding of the pressures that working in the city and global markets create.

María García Lozano


Maria is an experienced Integrative Psychotherapist and Spanish Psychologist based in London. She trained as a Psychologist at the University of Murcia in Spain, and further specialised in the UK in clinical psychology, addictions and eating disorders. She has experience working within the NHS, as well as working privately at The Priory Hospital Roehampton, where she works for the Addiction Treatment Programme.

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Furthermore, she has experience working with children and adolescents, applying short-term CBT, as well as facilitating group and couples therapy. Moreover, her training as a psychologist allows her to draw on a wide range of psychological theories in conjunction with the therapeutic approach, which is of particular interest when working with dual diagnosis (people who experience a mental health condition and a substance abuse problem simultaneously).

She is currently completing the Master Practitioner in Eating Disorders and Obesity with the National Centre for Eating Disorders and does regular “pro-bono” work for the Eating Disorders charity “Free Me”.

Her main fields of expertise are addictions and associated disorders, eating disorders, anxiety, depression, low self-esteem, and relationship problems.

She is registered with the British Psychological Association (BPS) and the British Association of Counselling and Psychotherapy (BACP). Her practice complies with the ethical and professional guidelines of these organisations, and she has full DBS (CRB) Certification, professional indemnity insurance and regular clinical supervision.

Dr. Kathleen Kelly

PhD, MSc, BSc

Kathleen Kelly is an Addictions and Trauma therapist trained at The Priory in Roehampton and The Meadows in Arizona. She holds an MSc in Addiction Psychology and Counselling from a London university, a PhD in Pharmacology from the Medical College of Virginia, as well as certificates in psychological coaching, mindfulness and NLP.

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Kathleen is a member of The Federation of Drug and Alcohol Practitioners and the Association for Coaching and manages a private addiction therapy practice in Belgium, working with clients from a broad range of backgrounds and cultures, while continuing to work in trauma resolution in addiction treatment at the North London Priory.

Originally from the USA, Kathleen began her career as an academic scientist at the Medical Schools of the University of Pennsylvania and Boston University and for over 15 years was the recipient of national and international research, career development and visiting scientist awards.

 After moving to Europe with a growing family, Kathleen’s trajectory led to work with a non-profit organization focused on helping expatriates integrate into Brussels and from there to a career as an addictions and trauma therapist. Kathleen’s therapeutic approach is informed by the theory that addictive behaviour is the symptom of an underlying difficulty and that recovery is a socially-mediated process facilitated by personal growth and development.



Eve has 17 years experience working as a psychotherapist within the field of Addiction. She has worked in abstinence based private rehab clinics in London as well as community based harm minimisation projects. Eve specialises in working with the families of addicted people and trained with the Clouds Family Programme as well as AdFam. Eve has facilitated the Families Group Programme at an eminent private London Clinic for the last 6 years. She utilises an integrative therapeutic approach and as a trained acupuncturist incorporates Aricular acupunctureas part of her treatment for substance addiction.


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