Manager, Commerce Media

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Mars United℠ Commerce is a global commerce marketing practice that aligns people, technology, and intelligence to make the business of our clients better today than it was yesterday. Our worldwide capabilities coalesce into four key disciplines — Strategy & Analytics, Content & Experiences, Digital Commerce, and Retail Consultancy — that individually deliver unmatched results for clients and collectively give them an unparalleled network of seamlessly integrated functions across the entire commerce marketing ecosystem.

These disciplines are powered by our industry-leading technology platform, Marilyn®, which helps marketers understand the total business impact of their commerce marketing activation, enabling them to make better decisions, create connected experiences, and drive stronger, measurable results. Learn more at

We’re looking for a Manager, Commerce Media to help our clients navigate the dynamic, fast-changing retail media landscape. The ideal candidate is a versatile media expert who can leverage his/her deep knowledge of and strong relationships within assigned retailers’ omnichannel media ecosystems to design world-class shopper media strategies that drive conversion and ROI for our clients. Candidates must reside within a commutable distance from our office in Toronto for a 3x/week hybrid schedule.

• Develop insight‑backed media strategies for the agency’s CPG clients at assigned retailers, using our proprietary Marilyn® Predictive Commerce Intelligence platform, historical client data and other relevant tools
• Advise our teams on best practices for media strategy development, plan building, optimization and measurement
• Build collaborative relationships with key client stakeholders and partner agencies – working seamlessly throughout campaign development and implementation, resolving any issues, finding synergies, sharing insights across full‑funnel media plans, and bringing forward innovation on a regular basis
• Foster relationships with key stakeholders at assigned retailers and key vendors, and establish the company and its clients as best‑in‑class partners (e.g. securing first‑look access to beta and test‑and‑learn opportunities)
• Keep up to date with and vet emerging platforms, shopper media vendors and innovation trends specific to assigned retailers, and regularly share new opportunities with our clients
• Collaborate with the Media Activation and Retail Consultancy teams to oversee the execution and optimization of all media plans, ensuring they are on‑budget, on‑time and meeting desired performance benchmarks
• Develop POVs for our clients on the value of different media vehicles to share learnings and best practices, and define and track performance of retailer vehicles generally (e.g. on‑site display, loyalty programs/emails, in‑store radio, sampling)
• Partner with the National Media Team to share learnings and best practices, and define and track performance of national vs. retailer vehicles
• Help define and continuously improve our media strategy product and service offerings

• Experience doing shopper/retail media strategy at an agency, retailer media network or CPG manufacturer
• Knowledge of self‑ and managed‑service retail search strategy and execution (Criteo, Citrus Ad, Pacvue, Kenshoo, Google, etc.)
• Strong existing relationships with key personnel at assigned retailer and/or key vendors is a plus, but not required
• Ambitious self‑starter who takes ownership of and great pride in their work
• Passion for and strong knowledge of all elements of the retail and omnichannel media landscape
• Creative and strategic thinker who gets excited about taking on and solving complex challenges
• Curious and dissatisfied with the status quo, always thinking of ways to improve and grow
• Collaborative team player and great listener, but unafraid to challenge peers or clients when necessary in order to achieve the best results for the project
• Confident presenter and clear, persuasive communicator (verbal and written) of complicated…