The Hypnotherapy Practice was founded by David Grinnell and Deborah Mills, two therapists with over 40 years experience of hypnotherapy between them.

David Grinnell
MSc (Leeds) CHyp MGHR
Senior Registered Clinical Hypnotherapist (GHR & CNHC)

David is a Senior Registered Clinical Hypnotherapist with over 20 years experience of hypnotherapy. He specialises in stress & anxiety, fears & phobias, weight loss, habits, emotional problems, OCD and addiction. David is registered with a Professional Standards Authority accredited register of therapists (CNHC), approved for GP referral.

David suffered from a range of problems anxiety, phobias and addiction problems and made a full recovery through curative hypnotherapy. This experience led him to helping others and to setting up The Hypnotherapy Practice. Due to his experience and understanding of hypnotherapy David regularly treats patients who have been unsuccessfully treated by psychiatrists and psychotherapists for decades. David is a caring and compassionate therapist, he uses a range of highly effective approaches in his practice to ensure each patient is treated sensitively and effectively to overcome even the most difficult problems.

After gaining an MSc from Leeds University in the 1990s David has applied his scientific knowledge and understanding to help develop hypnotherapy theory and practice. He is a leading figure in the field of hypnotherapy and now, when not writing or training, sees patients from across the UK.

Professional Standards

David is a Registered Clinical Hypnotherapist, registered through full membership of the General Hypnotherapy Register (GHR) and the Complimentary and Natural Healthcare Council (CNHC).

The GHR requires its therapists to have the appropriate training, experience and qualifications, David exceeds all of these requirements.

David abides by the rigorous Codes of Ethics of the GHR.

The outcomes of David’s therapy were assessed from January to March 2019 and his success rate was found to be 95%.

Training, Qualifications & Experience

David originally trained with a General Hypnotherapy Register accredited training school and then went on to complete further training in curative hypnotherapy, at Birmingham’s Therapy Training College. He has, over the years, partaken in many extension courses on, for example, NLP and EMDR.

MSc (Leeds)
D Hyp: Hypnotherapy Diploma
CP NLP: Practitioner of NLP
CP EMDR: Practitioner of EMDR
Member of the General Hypnotherapy Register (GHR)
Registered with the Complimentary and Natural Healthcare Council (CNHC)

Deborah Mills
BA(Hons) DHyp MGHR
Senior Registered Clinical Hypnotherapist (GHR & CNHC)

Deborah is a Senior Registered Clinical Hypnotherapist with over 20 years experience of hypnotherapy. She specialises in stress & anxiety, emotional problems, weight loss, addiction, smoking cessation, habits, fears and phobias. Deborah is a member of The General Hypnotherapy Register (GHR) and a Professional Standards Authority accredited register of therapists (CNHC) approved for GP referral.

Deborah is co-founder of The Hypnotherapy Practice, where the advanced techniques of analytical and curative hypnotherapy are practiced. These more advanced techniques are distinguishable from other forms of hypnotherapy in that they achieve a permanent resolution for a wide range of conditions and issues.

In the past Deborah herself has achieved weight loss and resolved anxiety and IBS through hypnotherapy. In addition, she beat her addiction to nicotine when she succeeded in quitting smoking 20 years ago. As a result she went on to co-found The Hypnotherapy Practice where she uses her insight into the effect of the mind on emotional and physical states to help others achieve health and well-being. Deborah is an empathetic therapist and uses a range of approaches in her practice to ensure each patient is treated sensitively and effectively to overcome even the most difficult problems.

Professional Standards

Deborah is a Registered Clinical Hypnotherapist, registered through full membership of the General Hypnotherapy Register (GHR) and the Complimentary and Natural Healthcare Council (CNHC).

The GHR requires its therapists to have the appropriate training, experience and qualifications, Deborah exceeds all of these requirements.

Deborah abides by the rigorous Codes of Ethics of the GHR.

The outcomes of Deborah’s therapy were assessed from January to March 2019 and her success rate was found to be between 91 and 96% dependent on the condition treated.

Training, Qualifications & Experience

Deborah originally trained with a General Hypnotherapy Register accredited training school and has since participated in advanced training and research, including innovative regression techniques and Neuro Linguistic Programming.

B.A. (hons)
D Hyp: Diploma in Hypnotherapy & Hypnoanalysis
SQHP (Senior Qualification in Hypnotherapy Practice)
Member of the General Hypnotherapy Register (GHR)
Member of Complementary and Natural Healthcare Council (CNHC)