Dr Sumanjit K Gill is an Associate Professor (Clinical Teaching), Stroke and Geriatrics consultant at The Royal Free Hospital & a Honorary Stroke Consultant at the National Hospital for Neurology and Neurosurgery. Professor Martin Brown was appointed as the foundation Professor of Stroke Medicine at the Queen Square Institute of Neurology, University College London in 1999. He was also Consultant Neurologist at University College Hospital and the National Hospital for Neurology and Neurosurgery. Throughout his career he has made a huge contribution to both stroke research and in establishing stroke services and stroke training for physicians. In addition to pioneering research into carotid artery disease, he has been at the forefront of investigating and understanding rare causes of stroke, including Moyamoya disease. He is a past President of the British Association of Stroke Physicians.  He is now retired from his clinical practice but continues in active stroke research as an Emeritus Professor at UCL. Dr. Fergus Robertson is a consultant interventional and diagnostic neuroradiologist at Great Ormond Street Hospital for Children and the National Hospital for Neurology and Neurosurgery. His key clinical focus is the endovascular management of vascular problems of the brain and spine in adults and children, in particular the treatment of stroke, cerebral aneurysms and vascular malformations. He coordinates the national service for Vein of Galen malformation and other neonatal arteriovenous shunts at Great Ormond Street. Dr. Nick Losseff MD FRCP is a consultant neurologist at the National Hospital for Neurology and Neurosurgery in Queen Square and The Cleveland Clinic.   Furthermore, he has held several senior leadership leadership positions in the NHS to medical director level and is best known for his work to improve stroke services in London.  Between 2013 and 2017 he was appointed by NHS England as London Clinical Director for Neuroscience.  Dr Losseff has been awarded the Queen Square Prize and the European Neurology Society Prize for his outstanding contributions to Neurology.