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John Gallacher


Professor of Cognitive Health; Director, Dementias Platform UK; Director, BrainWaves study of adolescent wellbeing and mental health

Expert on brain health and the use of big data in medical research.


John Gallacher is Professor of Cognitive Health at Oxford University. An expert on brain health and the use of big data in medical research, Professor Gallacher holds a visiting professorship at Imperial College London and an honorary professorship at the University of Hong Kong. He is the Principal Investigator for the Caerphilly Prospective Study (CaPS).

Dementias Platform UK    

Dementias Platform UK (DPUK) is a public-private partnership with core funding from the Medical Research Council aimed at speeding up progress in dementia research. Based at Oxford University, DPUK brings together expertise from universities, charities, and pharmaceutical and technology companies in a high-trust, collaborative environment. DPUK gives scientists access to the latest data, technologies and research opportunities to help bridge the gap between fundamental discoveries in the lab and successful trials of new treatments for dementia. Find out more by visiting


BrainWaves is a new global mental wellbeing initiative for young people, being developed in the UK and led by Oxford. Working with schools and young people, Brainwaves is investigating the determinants of positive wellbeing, and poor mental health. Working with the University of Swansea, BrainWaves is creating a new research platform that will conduct a large cohort study with nested trials delivery. Working with The Day, BrainWaves is developing evidence based educational materials for use in schools.

Find out more by visiting

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