Mari Kokka

Mari Kokka is a senior executive with deep expertise in building and scaling retail media businesses across Walmart, Sam’s Club, and eBay. With over 20 years of experience, she brings a strategic mindset, commercial acumen, and a people-first leadership style to one of the fastest-growing sectors in digital advertising. Her leadership spans fully outsourced, hybrid, and fully insourced media models—giving her a unique ability to design adaptable operating structures that align execution with long-term growth. Mari has built and led high-performing teams across every stage of retail media maturity, from early go-to-market through scaled monetization and omnichannel integration.

As Group Director of Operations for Sam’s Club Member Access Platform (MAP), Mari leads the teams responsible for revenue operations, business systems, creative ops, and campaign execution. Previously, she launched Walmart Connect’s Sales Center of Excellence, scaling the organization to support a $1B+ business through centralized operations, sales enablement, and client service strategy. Mari is known for turning complexity into strategic clarity and operations into strategic advantage. She has improved go-to-market velocity, monetization and built scalable systems that strengthen both client outcomes and team engagement.

For executives exploring retail media, Mari offers a rare combination of strategic clarity, executional depth, and deep experience leading organizations through rapid growth and transformation.