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Dean McMillan



Professor Dean McMillan has a joint appointment between Hull York Medical School and the Department of Health Sciences, University of York. He is a clinical psychologist with research interests in the development and evaluation of brief psychological interventions for common mental health problems. 


  • BA/MA, King’s College, University of Cambridge
  • PhD, University College London
  • DClinPsych, University of Manchester
  • Diploma in Cognitive Therapy, University of Durham

Departmental roles



Dean's research interests are in behavioural activation, Cognitive Behaviour Therapy, low-intensity psychological interventions, and diagnostic test accuracy of psychological screening instruments.


  • Addressing Depression in Muslim Communities: Development of a Treatment Manual for Professionals (Funder: NIHR RfPB; Role: co-applicant)
  • Autism Spectrum Social Stories in Schools Trial ( ) (Funder: NIHR HTA; Role: Lead for systematic review phase)
  • Collaborative Care and Active Surveillance for Screen-positive Elders with Sub-clinical Depression: A Pilot Study and Definitive Randomised Evaluation (CASPER trial) (Funder NIHR HTA; Role: co-applicant)
  • Collaborative Care and Active Surveillance for Screen-positive Elders with Major Depression: (  trial) (Funder NIHR HTA; Role: co-applicant)
  • Costs and Outcome of Behavioural Activation (COBRA trial) (Funder: NIHR HTA; Role: co-applicant)
  • Early Parenting Interventions for Families with Young Children Showing Severe Attachment Problems: An Integrated Evidence Synthesis (Funder: NIHR HTA; Role: co-applicant)
  • Obsessive Compulsive Treatment Efficacy Trial (OCTET) (Funder: NIHR HTA; Role: Site lead)
  • Screening for Psychological and Mental Health Difficulties of Young People who Offend: An Integrated Evidence Synthesis and Value of Information Analysis (Funder: NIHR HTA; Role: Principle Investigator)
  • Sudden gains in cognitive therapy for panic disorder (Funder: BABCP; Role: Supervisor) 
  • Born and Bred in Yorkshire: Birth Cohort Study (BABY)
  • Born And Bred in Yorkshire: Perinatal Depression Diagnostic Accuracy Study (BABY PaNDA)
  • COBID - a feasibility trial of behavioural activation to improve depression for people with substance misuse

Research group(s)


Dean is keen to supervise PhDs in the following areas: evaluation of low intensity psychosocial interventions, systematic reviews and diagnostic test accuracy studies of psychological measures.




Full publications list

External activities


Editorial duties

Media coverage

Dean McMillan

Contact details

Professor Dean McMillan
Professor of Clinical Psychology

Tel: 01904 32(1359)