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Mark Williamson is an experienced professional in retail media and marketing, currently serving as AVP of Retail Media at Costco Wholesale since September 2023. Prior to this, Mark held the position of SVP Client Strategy & Development at CitrusAd from January 2022 to September 2023, specializing in retail media design and strategy consultation. Mark's career also includes significant roles such as Vice President and Head of Retail Media at Ahold Delhaize USA, where retail media partnerships with CPGs were managed, and Director of Shopper Marketing & Retail Media at Walmart Global eCommerce. Additional roles include Senior Manager at Sam's Club and Financial Consultant at RBC Wealth Management. Mark holds an MBA from the University of Arkansas and a B.S. in Marketing from Arizona State University.