Mark Williamson, AVP Retail Media, Costco interviewed by Sarah Marzano

Mark Williamson, AVP of Retail Media at Costco, reveals how Costco’s trusted membership model, strong supplier ties, and exclusive first-party data position it to revolutionize retail media—delivering targeted ads and deep customer engagement across both physical and digital channels.
By STRATACACHE Team
January 11, 2025
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Key takeaways

Mark Williamson, AVP of Retail Media at Costco, pulls back the curtain on how the retail giant is uniquely positioned to make a bold entrance into the retail media arena. With one of the most trusted membership models in the industry, deeply entrenched supplier relationships, and access to highly valuable first-party data, Costco has the ingredients to build a retail media network that defies convention—and delivers real results.
In this session, Williamson breaks down how these strategic assets are being mobilized to create a retail media platform that seamlessly blends physical and digital experiences. From high-impact in-store placements to data-driven digital targeting, he explores how Costco is approaching media with the same discipline, trust, and long-game mentality that define its overall business model.
For brands looking to engage loyal, high-intent shoppers in a clutter-free environment—and for marketers eager to partner with a retailer that values long-term impact over short-term impressions—this session delivers a clear vision of what’s possible when retail media is built the Costco way.

Speakers:

Mark Williamson – AVP Retail Media, Costco

Sarah Marzano – Principal Analyst, Retail Media at EMARKETER

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