Professor Werring contributes to delivering hyperacute and acute stroke care, and runs a specialist clinical service and research program in intracerebral haemorrhage and cerebral small vessel disease. He is Head of the Research Department of Brain Repair and Rehabilitation at the Institute of Neurology, Chair of the Association of British Neurologists Stroke Advisory Group, Stroke Specialty Lead for the NIHR North Thames Clinical Research Network, Secretary of the British Association of Stroke Physicians, Expert Advisor to the NICE centre for guidelines, and on the Editorial Boards of the European Journal of Neurology, European Stroke Journal, and Practical Neurology. David is also Chair-Elect for the UK Stroke Forum, the largest multidisciplinary event for stroke care professionals in the UK.