Dean Harris is Head of Co-op Media Network, where he leads the strategy and growth of the UK's first convenience retail media network. Operating across in-store, ecommerce, loyalty, and targeted digital media, his work sits at the intersection of retail, media and data, helping brands make more effective media and creative decisions based on real shopper behaviour.
Dean began his career in B2B marketing at McCann Erickson before moving client-side to Co-op. During his time at Co-op, he has held roles spanning media planning, customer strategy, trade planning, loyalty transformation and retail media.
He took on responsibility for retail media in 2023 and launched Co-op Media Network in 2024. Since then, the business has more than doubled in size, published industry-leading studies into convenience shopper behaviour and mission-based planning, and won Most Effective Campaign at the Retail Media X Awards 2026. Dean was named Retail Media Leader of the Year in 2025.