Andrew Clegg


Professor, Geriatric Medicine, University of Leeds, Associate Director, Health Data Research UK North

Andrew Clegg, MD

Andrew Clegg is Professor of Geriatric Medicine at the University of Leeds, Honorary Consultant Geriatrician at Bradford Royal Infirmary, and Associate Director for Health Data Research UK North. Andrew leads a large portfolio of ageing and frailty research, holding research grants of around £25M as lead or co-investigator, including leadership of a research theme focused on improving care for older people with frailty in the NIHR Applied Research Collaboration, Yorkshire & Humber. Research expertise spans clinical trials of interventions, prognostic modelling using routine data, applied epidemiology and evidence synthesis. He is PI for the Community Ageing Research 75+ study – a longitudinal ageing and frailty cohort designed using trial within cohort methods. Andrew previously led the development, validation and national implementation of the multi award-winning and NICE-recommended electronic frailty index (eFI) using data from around 1M UK patients contained in the ResearchOne and THIN primary care research databases, with major impact on UK health policy.