Statutory regulation, the highest European certification in psychosexology, NHS leadership of one of the UK's largest psychosexual services, and published outcomes in the field's leading journal.
Training & qualifications
DoctorateDClinPsy, University College LondonDoctorate in Clinical Psychology
MastersMSc Developmental Psychology
European certificationEFS-ESSM Certified PsychosexologistEuropean Federation of Sexology / European Society for Sexual Medicine, December 2025. The highest European-level certification in psychosexology.
Professional registration
Statutory regulatorHCPC Registered Clinical PsychologistHealth and Care Professions Council. The statutory regulator for clinical psychologists in the UK.
Professional bodyCOSRT Registered Sex and Relationship TherapistCollege of Sexual and Relationship Therapists, the UK's professional body for sex and relationship therapists.
NHS clinical leadership
Current roleLead Clinician and Psychology Lead, 56 Dean StreetChelsea & Westminster NHS Foundation Trust. One of the largest sexual health services in the UK, with the largest psychosexual service within the NHS.
Specialist clinical roles
Founding memberThe Havelock ClinicSpecialist multidisciplinary psychosexual service in central London. 2017–present.
Clinical TutorContemporary Institute of Clinical SexologyTeaching and clinical supervision on the postgraduate clinical sexology training programme, since 2026.
National advisory & expert positions
CICSStandards and Advisory Board, Contemporary Institute of Clinical SexologyThe UK's leading training institute for clinical sexology.
BASHHMember, Sexual Function and Wellbeing Special Interest GroupBritish Association for Sexual Health and HIV, the UK's professional body for sexual health and HIV clinicians.
RCPsychMember, National Expert Reference Group for Chemsex and Compulsive Sexual BehaviourRoyal College of Psychiatrists. The national expert reference group convened to advise on clinical and policy questions in this area.
Published research
2026
Yates, M., Hampson, C., Langmans, T., Irons, C. & McCormack, C. A compassion-focussed group intervention for compulsive sexual behaviours: an exploratory study.Sexual and Relationship Therapy. DOI: 10.1080/14681994.2026.2614638
2026
Yates, M., Hampson, C., Langmans, T. & McCormack, C. Participant experiences of a compassion-focussed group intervention for compulsive sexual behaviours.Sexual and Relationship Therapy. DOI: 10.1080/14681994.2026.2639314
Clinical specialisms
Compulsive sexual behaviourCompulsive pornographyHook-up apps, escorts & sex venuesChemsexSex, substance use & mental healthSexual shame & secrecyIdentity-related distressCompassion-focused therapyGroup interventionsLGBTQ+ sexual healthErectile difficultiesEjaculatory difficultiesDesire problemsChronic pelvic & genital painMedically unexplained symptoms