You're Paying People to Buy Your Product. Here's How Rita Zahir Found Out

Rita Zahir, VP of Marketing and E-Commerce at Unique Vintage, delivers a data-dense masterclass on the one metric most e-commerce brands are still getting wrong: the difference between revenue and profit. With 20 years across Shoes.com, Famous Footwear, Polaris, and now a female-owned vintage-inspired brand, Rita breaks down why "let the algorithm handle it" is the most dangerous phrase in modern performance marketing — and how a combination of custom behavioral segmentation and contribution-margin-level analytics helped her team beat Meta Advantage+ ROAS by 30% during the most volatile periods of the calendar. This is a rare, practitioner-level conversation about the infrastructure behind profitable e-commerce growth.   Topics Discussed Rita's 20-year e-commerce career: Shoes.com, Famous Footwear, luxury fashion, software, Polaris (Trans American Auto Parts), early-stage startups Current role: VP of Marketing and E-Commerce at Unique Vintage (2 years), plus concurrent consulting for luxury accessory startups Marketing philosophy: structured metrics (LTV:CAC, contribution margin) as the foundation for moving fast with brand equity intact The shift from ROAS and blended MER to profit on ad spend (POAS) and contribution margin as the real performance north star The algorithm's blind spots: contribution margins, inventory turns, return rates, and products that lose money after ad costs Dynamic product ads on Meta, Google Shopping, Pinterest, and Reddit — and why surrendering your data feed to the algorithm is a profitability trap Meta's Andromeda/Advantage+: why "feed it everything and let the algorithm decide" misses your highest-LTV customer segments Partner Genius AI: behavioral modeling and customer segmentation layering third-party data for years Partner Barkai: contribution margin per view/impression — a tool that calculates actual profit generated per ad exposure and flags products where every sale loses money Custom segmentation beating Meta Advantage+ ROAS by 30% during high-volatility periods One of five companies globally selected for Meta's Voice AI Beta "Bestsellers" that are secretly unprofitable when fully loaded with ad costs, conversion rates, and return handling Team building philosophy: "coach of the A team" — hire and develop people you're actively learning from Scaled a brand from under $5M to $16M revenue in under two years Hybrid work as the preferred model; global talent outsourcing for lean e-commerce teams 2026 goal: profitable, repeatable scale — a growth engine that can be systematized and replicated