John O’Brien is Professor of Old Age Psychiatry in the Institute for Ageing and Health at Newcastle University in England and a UK National Institute for Health Research Senior Investigator. His research interests include the application of neuroimaging in old age psychiatry, especially MRI and SPECT changes in dementia with Lewy bodies and the role of vascular factors in dementia and depression.

He has lead consultant responsibility for the Newcastle Memory Clinic and he was a member of the National Institute for Clinical Excellent (NICE) Dementia Guideline group. He is an IPA Board and Vas-Cog Executive Member. His other roles include Deputy Editor of International Psychogeriatrics and National Lead for Dementia Research within the UK Dementias and Neurodegenerative Disease Research Network.

John is a Past President of the International College for Geriatric Psychoneuropharmacology (ICGP).