Brett Wein
Brett Wein is a seasoned advertising sales and partnerships leader currently operating within Walmart Connect, Walmart's retail media network that has grown into one of the most significant players in the rapidly expanding retail media landscape. In his role, Wein focuses on building and scaling advertiser relationships, helping brands leverage Walmart's first-party shopper data and omnichannel inventory to drive measurable outcomes across the purchase funnel. Wein's career spans over a decade in digital advertising and media sales, with experience across publisher-side and platform-side roles. His background reflects the broader industry shift toward data-driven advertising, closed-loop measurement, and the rise of retail media as a dominant channel for performance and brand advertisers alike. He has been part of the wave of talent that has migrated into retail media as brands seek alternatives to traditional walled gardens. At Walmart Connect, Wein operates at the intersection of commerce and advertising, working with CPG brands, endemic advertisers, and agencies to activate campaigns across Walmart's digital and in-store touchpoints. His work contributes to Walmart Connect's mission of connecting advertisers with Walmart's massive shopper base using deterministic purchase data.
Last updated Aug 5, 2026 by ATDb automated enrichment · Connections updated Aug 10, 2026
- Years in industry
- 12 years
Bio
Brett Wein is a seasoned advertising sales and partnerships leader currently operating within Walmart Connect, Walmart's retail media network that has grown into one of the most significant players in the rapidly expanding retail media landscape. In his role, Wein focuses on building and scaling advertiser relationships, helping brands leverage Walmart's first-party shopper data and omnichannel inventory to drive measurable outcomes across the purchase funnel. Wein's career spans over a decade in digital advertising and media sales, with experience across publisher-side and platform-side roles. His background reflects the broader industry shift toward data-driven advertising, closed-loop measurement, and the rise of retail media as a dominant channel for performance and brand advertisers alike. He has been part of the wave of talent that has migrated into retail media as brands seek alternatives to traditional walled gardens. At Walmart Connect, Wein operates at the intersection of commerce and advertising, working with CPG brands, endemic advertisers, and agencies to activate campaigns across Walmart's digital and in-store touchpoints. His work contributes to Walmart Connect's mission of connecting advertisers with Walmart's massive shopper base using deterministic purchase data.
Career
Director, Advertising Sales
Walmart Connect · prior role
Advertising Sales Manager
Walmart Connect · prior role
Expertise & education
Expertise
Speaking topics
Recognition
Notable achievements
- Contributed to the growth of Walmart Connect as a top-tier retail media network competing with Amazon Advertising
- Built and scaled advertiser partnerships leveraging Walmart's deterministic first-party purchase data