Who Controls the Grid? — Andreas Reiffen, Pentaleap — The Middlemen Podcast
Who Controls the Grid? — Andreas Reiffen, Pentaleap
S3 E5 · Feb 16, 2026 · 32 min
Merchandising margin versus ad revenue, and ranking the grid on compound margin.
Show notes
Retail media has a structural tension most retailers are still working through: merchandising optimizes for retail margin, retail media optimizes for ad revenue, and search platforms optimize for relevance. But when those systems operate in silos, who actually controls the grid?
In this episode of The Middlemen, we sit down with Andreas Reiffen, founder of Pentaleap, to unpack how paid and organic should compete — and how the grid gets ranked.
If retail media is going to mature, someone has to decide how paid and organic compete. This episode explores what that future might look like.
What we cover
- Why “rip and replace” migrations are often the wrong move
- The conflict between merchandising and retail media teams
- How RTB works inside sponsored product search (without the programmatic chaos)
- What happens when third-party demand enters the retailer’s grid
- Why a unified ranking model based on compound margin (retail + ad value combined) changes the equation
- And whether AI agents could eventually steal the front end from retailers altogether