Gary has led the Health Innovation Oxford and Thames Valley, previously Oxford AHSN since its formation in 2013. He was Chair of the AHSN Network from April 2021 to September 2023, the overarching body bringing together England’s 15 AHSNs now Health Innovation Networks. He led the successful AHSN atrial fibrillation national programme (2018-20) and now leads the new national programmes supporting primary care in the prevention and management of cardiovascular disease through interventions to improve lipid management. He is a consultant stroke physician at Oxford University Hospitals NHS Foundation Trust, and Professor of Stroke Medicine at the University of Oxford. Gary has led the adoption of innovation in stroke care for many years. Gary developed the first thrombolysis protocol for acute stroke in England and the Face Arm Speech Test (FAST) now used to increase public and professional awareness of stroke.  Gary was Director of the National Institute for Health and Care Research (NIHR) stroke research network from 2005-2013 and a member of the NIHR strategy board from 2011-2023. He became a non-executive director on the board of the National Institute for Health and Care Excellence (NICE) in April 2021. He was awarded the CBE in 2013 for services to research in stroke medicine. In 2018 Gary was identified as one of seven research legends whose work has transformed care in the NHS.