Doug McMillon

Doug McMillon is the President and CEO of Walmart Inc., the world's largest retailer, and has been a central figure in the company's aggressive push into retail media and advertising technology. Under his leadership, Walmart has built Walmart Connect into one of the fastest-growing retail media networks in the United States, leveraging the company's massive first-party data from hundreds of millions of customer transactions to compete directly with Amazon Advertising and other retail media giants. His strategic vision has positioned Walmart's advertising business as a multi-billion dollar revenue stream that fundamentally changes how brands reach consumers at the point of purchase. McMillon joined Walmart as a teenager working in a distribution center and rose through the ranks over decades, holding leadership roles across Sam's Club and Walmart International before becoming CEO in 2014. His deep operational knowledge of retail has informed Walmart's data-driven advertising strategy, including the acquisition of Vizio in 2024 for approximately $2.3 billion, a move widely seen as a bid to expand Walmart's connected TV advertising capabilities and first-party data assets. He has also overseen the growth of Walmart's omnichannel capabilities, integrating online and in-store data to offer advertisers more precise targeting. Beyond Walmart, McMillon serves in prominent industry and policy roles, including as chair of the Business Roundtable. His influence on retail media has ripple effects across the AdTech ecosystem, as Walmart's scale forces publishers, DSPs, and measurement companies to build integrations and standards around its platform. His leadership has helped legitimize retail media as a distinct and critical channel within the broader digital advertising landscape.

Last updated Jun 11, 2026 by ATDb automated enrichment