John is a Health Informatics professional with 18 years’ experience working in the NHS and currently a senior architect working in NHS Wales, leading on clinical data modelling and interoperability use cases, spearheading the adoption of openEHR in Wales, and working closely with partners across the UK and Europe. His academic research in health began with an opportunity to publish a paper focusing on system usability. This gave him a first-hand account of proving the benefits that correctly architected software can provide clinicians. Currently undertaking PhD research into clinical data structures and interoperability standards with University of Wales Trinity Saint David / Wales Institute of Digital Information. Recent research includes the Contextual Problem List and the origination of the FOXS stack, encompassing FHIR, openEHR, XDS and SNOMED CT as means develop an open platform of standardised specifications and components. He is currently working to implement this in NHS Wales as part of the drive for an open approach to national architecture.