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Most commerce media networks sell the past. They know that you bought diapers last Tuesday, so they serve you diaper ads this Tuesday. The closed loop from exposure to transaction is the foundational value proposition of every retail media pitch deck in existence. Marco Steinsk thinks there is an opportunity to flip that. Here's what he told me. Brands want to know what you're going to purchase, not what you purchase in the past. And Steinseck says that because he is the general manager of Backpack Media, a new commerce media network built on top of Sally, an education solutions company focused on helping students plan and pay for college. His previous role was running Sephora's media network where he grew the business to what he says became more than $200 million in ad revenue within two and a half years, roughly 3% of the retailer's sales. And Steinseck argues that transaction data is a lagging indicator. Life stage data is a leading one. And Sally, through its direct relationships with students, parents and recent graduates, has life stage signals that no retailer can match. Let's jump in. So it's called Backpack Media and Sally calls this the first education powered media network in commerce media. Through Sally's private student loan business and broader education support ecosystem. Science X says that the network reaches 2/3 of college bound freshmen each year and that reach produces a special kind of signal. Sally knows when someone is planning for college, enrolling, choosing a major, living on or off campus, graduating and making their first independent financial decisions, layering data science on top of those signals. Steins first five hires were all data scientists and you can start to see how modeling future behavior comes with some precision. So this is all based off an interview that I did with Marco Stanczek for my column at the Drum and I'll link up to the full article in the show notes here. I want to touch on a couple more things. One is how even though this network is built off the back of a student loans company, also an education services company, Marco was at pains to point out that they're not monetizing transaction data. He says what we're actually doing is giving brands access to our customer relationships. They have strong and differentiated customer relationships even without huge transaction volume. And he points back to his time at Sephora that it never would be able to compete with Amazon or Walmart on Reach. But Sephora's depth of relationship with its beauty customers drove that media business to a 3% of sales volume much faster than a lot of networks usually achieve. And that means building a network based on retail, really strategic endemic advertisers and he's operating Sally the same way. The customer relationships are deep and differentiated, the data is sensitive and the network has to be selective about which advertisers it works with because the moments that it monetizes being a student's first financial decisions are high stakes for customers. Now I want to turn to a recent interview that Marco did on the Middlemen podcast where he talks about what things are like actually building inside of a financial services provider because it certainly comes with its own quirks. Let's listen.
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The steepest learning curve for me has been around working within a financial institution, right? So we're, we're education finance. And so I have been getting a crash course on what that means and standing up a commerce media business within that context, very different from a retailer. And you know, everything that we do is about privacy. Everything that we do is around trust. We never sell personal data ever. Everything's anonymized, everything's aggregated. Brands never see individual level information. So that's been really important. It's also been important for us to be selective about who we partner with and which brands that we work with because this is a very high stakes moment for college students and you know, for us we have to anchor to is this offer relevant to this person? And if we can anchor to that, then the rest we can solve. In terms of go to market, I think part of it, and we were just talking about this this morning with the cargo team, part of it is in your sales motion. How much are you incorporating your audience set into an existing RFP where the buyer is looking for something very specific versus how much are you getting the opportunity to like give them your whole go to market value prop. Right? Because we're something very different. This is, you know, it's education media. What does that mean? And it's predictive commerce media powered by verified life stage data. What does that mean? You know, so if you're getting an RFP that says I want Gen Z, okay, great, we have that. But we also want to be able to tell our story a little bit more broadly. And so we have been, you know, winning moments to tell that story and share how we're different. And you know, the more that that shows up in performance for brands, you know, the more momentum we gain.
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Host: Kiri Masters
Episode: Predictive Commerce: Why Life-Stage Data Could Replace Retail Media’s Obsession with Transactions
Date: May 13, 2026
Guest: Marco Steinsk, General Manager, Backpack Media
This episode explores the concept of "predictive commerce" through the lens of Backpack Media, a new commerce media network built on life-stage data from Sally, an education solutions company. Host Kiri Masters speaks with Marco Steinsk about shifting retail media away from transactional data—what consumers did—to life-stage signals that predict what consumers will do. The conversation unpacks how predictive models, rooted in unique signals from education and financial milestones, may disrupt retail media's traditional focus on past purchases and closed-loop attribution.
This thought-provoking episode challenges the retail media industry’s reliance on transaction data for audience targeting and measurement. By leveraging rich and unique life-stage data from Sally’s student-focused ecosystem, Backpack Media aims to create a new paradigm—predictive commerce—where brands anticipate needs before purchases occur. Funded by deep, trust-based customer relationships and selective advertiser participation, this model may offer a path forward in a privacy-conscious and AI-driven retail future. As industry standards and attribution practices evolve to meet these new models, this is a network and strategy to watch.