Jim Davies is Professor of Software Engineering at the University of Oxford. He is technical lead for the Thames Valley and Surrey NHS Secure Data Environment, and leads a group within the Oxford Big Data Institute focussed upon data quality and interoperability. He has been CTO for a range of organisations and initiatives working with NHS data at scale, including: Genomics England, the NIHR Health Informatics Collaborative, and the National Consortium of Intelligent Medical Imaging.