Same Goal, Different Game: Framing the Value of Amazon, Instacart & Walmart with Ross Walker & Damiano Ciarrocchi - Episode 411
Ecommerce Braintrust
· with Ross Walker & Damiano Ciarrocchi
· September 23, 2025
· 22 min
Summary
Ecommerce operators must evolve their retail media strategies beyond simplistic ROAS calculations. This episode reveals how to effectively leverage platforms like Amazon, Instacart, and Walmart by aligning them with diverse marketing objectives, understanding evolving shopper behavior, and implementing sophisticated measurement techniques. Move beyond vanity metrics to truly understand channel efficacy and drive profitable growth.
Key takeaways
Don't treat all retail media networks as equal; assess each platform (Amazon, Instacart, Walmart) based on its sales potential, data capabilities, and suitability for specific marketing goals (e.g., brand awareness vs. conversion).
Rethink ROAS by understanding how each platform calculates it; over-reliance on a single, undifferentiated ROAS target can lead to misallocation of ad spend and obscure true performance.
Develop an 'assortment-led' media strategy: exclusive or differentiated product offerings for specific retailers can significantly boost performance and mitigate channel conflict.
Recognize that consumers often exhibit cross-channel shopping behavior; focus on creating a cohesive brand experience rather than solely optimizing for individual channel sales.
Invest in Media Mix Modeling (MMM) to gain a holistic view of budget allocation and evaluate the incrementality of retail media investments, moving beyond last-click attribution.
Themes
omnichannel marketingperformance measurementretail media strategy
🎙️Interview with Ross Walker & Damiano Ciarrocchi of Acadia DESCRIPTION Welcome to The Ecommerce Braintrust podcast, brought to you by Julie Spear, Head of Retail Marketplace Services, and Jordan Ripley, Director of Retail Account Management. Today, we're joined by our resident masters of media, Ross Walker and Damiano Ciarrocchi, to dig into the often-fraught world of cross-channel budget allocation. They'll share insights, strategies, and hard-won lessons to help brands navigate this complex challenge with more confidence. Tune in to find out more! Quote: "You don't get to control how the consumer buys. I can put my ads in front of the consumer, and they can choose to pick up in store because that's the most convenient for them. We've had brands say, "My online sales are not doing anything". Yes, but store sales are growing fantastically. Maybe it's time to change your goal." Ross Walker KEY TAKEAWAYS In this episode, Julie, Jordan, Ross, and Damiano discuss: Evolution of Retail Media Networks: The initial expectations versus the reality of how retail media networks have developed. Challenges emerging as not all retailers are equipped for all marketing goals or funnel stages. Strategic Approaches to Channel Selection: How brands should assess retailers based on sales pot
Frequently asked about this episode
What does this episode say about omnichannel marketing?
Don't treat all retail media networks as equal; assess each platform (Amazon, Instacart, Walmart) based on its sales potential, data capabilities, and suitability for specific marketing goals (e.g., brand awareness vs. conversion).
What does this episode say about performance measurement?
Rethink ROAS by understanding how each platform calculates it; over-reliance on a single, undifferentiated ROAS target can lead to misallocation of ad spend and obscure true performance.
What does this episode say about retail media strategy?
Develop an 'assortment-led' media strategy: exclusive or differentiated product offerings for specific retailers can significantly boost performance and mitigate channel conflict.
What does this episode say about omnichannel marketing?
Recognize that consumers often exhibit cross-channel shopping behavior; focus on creating a cohesive brand experience rather than solely optimizing for individual channel sales.
What does this episode say about omnichannel marketing?
Invest in Media Mix Modeling (MMM) to gain a holistic view of budget allocation and evaluate the incrementality of retail media investments, moving beyond last-click attribution.
