Garry Tierney is a seasoned professional in the field of architecture and IT solutions, currently serving as the Head of Architecture at Marks and Spencer since December 2025. Prior to this role, Garry was the Head of Solution Architecture at Currys plc for nearly a year and the Global Head of Enterprise Architecture at Dr. Martens plc from December 2019 to November 2024. With extensive experience at Home Retail Group PLC spanning nearly two decades, Garry held various positions including Lead IT Architect and Domain Architect, overseeing supply chain solutions and customer fulfillment projects. Garry began a career in consulting at OCS Consulting in 1994. Expertise includes strategy definition, IT roadmapping, portfolio analysis, project support, and governance within large-scale multi-channel implementations.
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