John Gregg is currently a Principal Solutions Architect at OptumUK, following a lengthy tenure in similar roles at EMIS Health, where they provided healthcare solution architecture and integration consultancy from 2011 to 2025. Prior to EMIS, they worked as a Data Specialist at SystemC and as a Technical Architect at McKesson Provider Technologies, where they focused on solution architecture and integration development between 1999 and 2010. Additionally, John served as a Senior Integration Consultant at Ascribe Ltd between 2011 and 2012. They are pursuing a Bachelor of Science in Mathematics and Computing at Sheffield University.
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