Professor Martin Landray MB ChB PhD FRCP Martin Landray is Professor of Medicine & Epidemiology at the Nuffield Department of Population Health and Acting Director at the Big Data Institute, University of Oxford, UK. He leads the clinical trials programme for Health Data Research UK and NHS DigiTrials, the national health data hub for clinical trials. His research focuses on the use of digital technology and quality-by-design principles for large randomized trials of treatments for cardiovascular and kidney disease. He is co-chief investigator of the RECOVERY trial, the national priority platform trial of potential treatments for patients hospitalised with COVID-19 in the UK. Prof Landray is heavily involved in international efforts to streamline clinical trials and the guidelines and regulations that govern their conduct. He is a member of the European Society of Cardiology Regulatory Affairs Committee and leads the Good Clinical Trials Collaborative, supported by Wellcome Trust, Bill & Melinda Gates Foundation and African Academy of Sciences.