Summary
Stephen Mcmillan is a Senior Director and data migration specialist with over 25 years’ experience delivering full-lifecycle systems implementations and integrations across Pharma, FMCG and petrochemical sectors. At AstraZeneca he leads global S/4 HANA Bluefield migrations, owning strategy, tooling, standards and runbooks while managing onshore/offshore teams of ~150 and ensuring SOx/GxP compliance. He blends commercial awareness with deep technical integration architecture—having published work, presented at UKISUG and won internal IT awards for architectural excellence. Previously he led information management and analytics at Unilever, driving Teradata-based BI and large-scale ERP/3PL integrations across Europe. Comfortable operating between board-level stakeholders and hands-on delivery, he has a software engineering background and an unusual breadth from iOS engineering interests to enterprise data harmonisation. Known for turning complex consolidation programmes into auditable, repeatable migration factories, he focuses on minimizing business disruption while maximizing data quality.
10 years of coding experience
7 years of employment as a software developer
BSc, Software Engineering, BSc, Software Engineering at Liverpool John Moores University