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John Gallacher


Director, Dementias Platform UK; Professor of Cognitive Health

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


John Gallacher is Professor of Cognitive Health at Oxford University and Director of Dementias Platform UK (DPUK), a MRC-funded public-private partnership focused on accelerating research into the early detection and treatment of dementia. With a new diagnosis every three seconds and more than 50 million cases globally, dementia is one of the biggest public health challenges facing science and governments in the 21st century.

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) and a member of the UK Biobank Strategic Oversight Committee. 

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