Jonathan Hewitt is a Clinical Senior Lecturer in Geriatric and Stroke Medicine at Cardiff University and an Honorary Consultant Physician in Aneurin Bevan University Health Board. He is currently the Specialty Lead for Stroke in Wales and Course Director for the MSc in Ageing Health and Disease. He completed his MSc and PhD in Epidemiology at the London School of Hygiene and Tropical Medicine. His research interests are in patient-reported outcomes in stroke and surgical disease in older persons. He is the Chairman of the Older Persons Surgical Outcomes Collaborative and the immediate past Chairman of the British Geriatric Society in Wales.