Counselling Team

Our online counselling team comprises highly experienced addiction and family therapists. All of our team share the same common goal which is to help individuals and their families recover from addiction and find meaning and purpose in their lives.

Brett Thornton
Founder & Clinical Coordinator BA Hons, BHRT Practioner Dip Hypnotherapy and Counselling, Certificate in Addictions Counselling


Clean and Sober since 17th June 2011
Highly experienced within the addictions field, prior to founding How to Treat Addiction Brett is most well known for his work at The Cabin Chiang Mai (Part of the Cabin Addiction Services Group) where he worked as an Addictions Counsellor, Relapse Prevention and Post Treatment Aftercare Manager.
Originally from Newcastle upon Tyne UK, Brett is a graduate of the University of Hull with further professional studies in Addiction Counselling through the Institute of Counselling in Glasgow, along with Diplomas in Hypnotherapy and Counselling through the British Hypnosis Research and Training Institute.

Brett boasts an extremely strong work ethic, a passion for helping others and prides himself on his integrity and his own direct experience of recovering from addiction is a great source of strength and hope.

Brett uses the most up to date Western, evidenced based treatments, and clinical modalities in his treatment of addicted clients. He is also personable which allows him to immediately connect with those he works with as well as being incredibly empathetic with both clients and their family members.

“Nothing is impossible, the word itself says, ‘I’m possible!” —Audrey Hepburn.

Marcia Ash

Female Lead Addictions Therapist, Family Counsellor, Psychotherapist, Supervisor – MA, PG Dip, MBACP


Marcia has significant experience of supporting people in abstinence-based programmes and families affected by addiction. Working with substance and process addictions including:

Alcohol, drugs, food, sex, love, co-dependency, she assists people to overcome addiction and creatively reclaim their lives and relationships.
As a highly qualified and experienced therapist registered with the BACP (British Association of Counselling and Psychotherapy), Marcia has supported many individuals and groups with a wide
array of issues ranging from anxiety, depression, trauma, sexuality, addiction, loss and bereavement.

Marcia has a demonstrated history of working within public, private and charity sectors including businesses, universities, prisons, and her own private practice. Her skillset set also expands to clinical supervision, public speaking, stress management, NLP, coaching, yoga teaching, mental health research, event and project management.

Marcia has a special interest in facilitating growth through life’s challenges and painful experiences by using bespoke person-centered approaches. Using an eclectic range of skills she assists people to find and/or develop their own inner resources for coping, managing and self- soothing through difficult times, to accept and connect with their truest essence, and dynamically
become the best version of themselves.

Marcia displays a vibrant, dynamic and creative approach to her work and we are delighted to have her on board as part of the How to Treat Addiction team.

“If you always do what you’ve always done, you’ll always get what you’ve always got, so
change what you do.”  —Henry Ford, with an addition by Susan Jeffers

Matthew Benjamin

Sober Coach & Recovery Mentor 


Clean and Sober since 7 th August 2015
Matthew has over 12 years of experience in various 12 Step fellowships with 4 years continuous sobriety since attending rehab for the first and only time in 2015.
Matthew is due to complete an MSc in Transactional Analysis Psychotherapy in 2020 and in the meantime is working under supervision with various clients presenting a wide range of issues including depression, anxiety, childhood trauma, family dysfunction and relationship issues.

Matthew’s own personal direct experience of attending rehab, being an active member of 12 step groups and personal and empathetic approach make him a valued member of our team.

Matthew is a pillar of support and strength for clients in that transition stage post rehab where relapse prevention techniques and effective recovery planning are vital. As part of his service in helping others Matthew has attended various institutions including the Priory, The Cabin Chiang Mai and Brixton prison to share his experience around addiction and recovery.

“Sometimes you just need to talk about something – not to get sympathy or help, but just to kill its power by allowing the truth of things to hit the air.” – Karen Salmansho
Contact Us

Your Name

Your Country of Residence

Your Email

Your Phone Number

Your Message