The 12th Fast Healthcare Interoperability Resources (FHIR) Connectathon was held in Canada on the weekend, followed by an HL7 working group meeting. Orion Health product specialist David Hay was on the planning team for the connectathon, along with FHIR founder Grahame Grieve. Dr Hay spoke to Pulse+IT at last year's HINZ conference about his work on the FHIR engine.