John Hennessey

Title: CBT Therapist Efficacy Hastings

Department: Our Therapists

Telephone: 0207 929 7911



  • BSc Hons Occupational Therapy
  • Post Graduate Diploma in Cognitive Behaviour Therapy, Oxford
  • Working towards BABCP Accreditations 
  • HCPC registered


John joined the Efficacy team in 2014. He has over ten years of experience working in both general/physical, and mental health settings as an Occupational Therapist and CBT therapist in the NHS and the private sector. John’s background includes a wide range of experience working with clients in inpatient, and out-patient, and an Early Intervention Mental Health Service in the community.

John has also worked extensively in the field of community paediatric care and currently still holds a role as a private consultant for children and young people in a mainstream school setting. This role involves working closely with the children, teachers, school staff and families, in both a physical and mental health context. John has exceptional experience in providing holistic psychological interventions covering the lifespan. Before training as a health care professional, John was a seasoned professional in an international marketing career, bringing a unique perspective to his practice.

Special Interests

John’s particular areas of interest include how anxiety affects people in adulthood (such as OCD, Generalised Anxiety Disorder, panic disorder and social anxiety), and working with clients who are suffering from depression and work-related stress.