Mark Oldfield

Mark Oldfield is a Customer Success Architect at Sigma since October 2025, bringing extensive experience in various technical roles. Previously, Mark held multiple positions at Pyramid Analytics from June 2019 to October 2025, including Global Architect and Principal Customer Solutions Consultant, contributing to a unified decision intelligence platform. Other notable roles include BI Architect at Liberty Ltd, Data Architect at Rank Group, and BI Architect at Harrods, with a solid foundation in SQL Server database management gained through positions at Instinet Incorporated, Electronic Data Systems, Citi, Credit Lyonnais Securities, and ABN AMRO Bank N.V. Mark's career spans over two decades, showcasing a strong expertise in business intelligence and analytics.