I’m a dynamic digital advertising professional with a decade of experience in in-platform and client strategy. I specialize in holistic digital strategy, designing world-class campaigns, and driving measurable results for brands. I’ve built robust digital media strategies for seven- and eight-figure brands across auto, CPG, retail, tech, and grocery. I’m an experienced team leader who loves delivering value and solving business problems through digital marketing. I thrive on cross-functional collaboration, guiding campaigns from strategy to execution, and continuously optimizing for better performance. Building strong executive relationships and driving efficient operations are central to my approach, and I’m dedicated to helping clients grow by leveraging data-driven insights and innovative digital solutions.

Zack Stern

I’m a dynamic digital advertising professional with a decade of experience in in-platform and client strategy. I specialize in holistic digital strategy, designing world-class campaigns, and driving measurable results for brands. I’ve built robust digital media strategies for seven- and eight-figure brands across auto, CPG, retail, tech, and grocery. I’m an experienced team leader who loves delivering value and solving business problems through digital marketing. I thrive on cross-functional collaboration, guiding campaigns from strategy to execution, and continuously optimizing for better performance. Building strong executive relationships and driving efficient operations are central to my approach, and I’m dedicated to helping clients grow by leveraging data-driven insights and innovative digital solutions.

Available to hire

I’m a dynamic digital advertising professional with a decade of experience in in-platform and client strategy. I specialize in holistic digital strategy, designing world-class campaigns, and driving measurable results for brands. I’ve built robust digital media strategies for seven- and eight-figure brands across auto, CPG, retail, tech, and grocery. I’m an experienced team leader who loves delivering value and solving business problems through digital marketing.

I thrive on cross-functional collaboration, guiding campaigns from strategy to execution, and continuously optimizing for better performance. Building strong executive relationships and driving efficient operations are central to my approach, and I’m dedicated to helping clients grow by leveraging data-driven insights and innovative digital solutions.

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Experience Level

Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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Language

English
Fluent
French
Intermediate

Work Experience

Director of Performance at Cossette Media
June 1, 2024 - November 1, 2025
Oversaw holistic digital marketing performance, measurement and strategy across channels, managing an annual budget of $50M-$60M. Led strategic planning and execution of digital campaigns, driving full-funnel strategies to address business KPIs and deliver measurable outcomes. Built and maintained executive-level relationships across Tier 1 and Tier 2 auto business, coordinating cross-functional teams and external agencies to improve workflow and operational efficiency. Implemented process updates that yielded 5-10% faster go-to-market timing, increasing in-market time for client offers. Directed Cross-Tier work streams to grow Tier 2 auto dealer acquisition pipelines, achieving YoY lead growth of 8% as of Nov 2025. Led website migration and ongoing test-and-learn programs (A/B testing, UX/UI improvements) to optimize the purchase journey.
Account Director at Carat Canada
March 1, 2022 - March 1, 2024
Led a team of 8 marketers in planning, developing, and executing digital campaigns with an annual budget between $30M-$40M. Owned client strategy, managed workflow, and delivered against business outcomes. Built and maintained relationships with senior stakeholders and brand managers, while driving cross-functional collaboration with retailers to plan in-store activations with grocery partners. Managed agency and vendor partnerships to unlock premium opportunities and drive YoY growth in spend and performance.
Digital Marketing Manager at Accenture Canada
March 1, 2019 - March 1, 2022
Executed cross-channel marketing campaigns to drive growth in customer engagement and sales. Developed global media strategies for Google O&O products, forecasting impact on Google’s business. Planned and managed a global SEM campaign across 60 markets, generating over 1M clicks for virtual learning resources during the Covid period. Delivered 10-15% QoQ user growth across multiple lines of business with 80-85% retention in major markets. Orchestrated a ~$10M Black Friday/Cyber Monday 2021 campaign for a major retailer, delivering $50M in revenue and exceeding client expectations by 25%.
Performance Strategy Lead at iProspect Canada
March 1, 2017 - March 1, 2019
Initially hired as a paid media specialist and promoted through several roles to lead a portfolio of 12 clients. Built and scaled digital strategies and campaign executions across key holidays, increasing in-market sales for Lindt Canada by 22% across Valentine’s Day, Easter, Halloween, and Christmas. Executed large-scale campaigns (e.g., 4M impressions in GTA for Shiseido Nuit Blanche activation) with strong cost efficiency.
Account Coordinator at Performics Canada
May 1, 2016 - March 1, 2017
Supported planning, execution, and optimization of SEM campaigns for clients across retail, apparel, gaming, and tech. Managed 5 client campaigns across Google and Bing, driving incremental website traffic, improved click-through rates, and efficient CPCs.

Education

Post Graduate Certificate - Marketing Management at Humber College
January 11, 2030 - February 16, 2026
Bachelor of Arts at Wilfrid Laurier University
January 11, 2030 - February 16, 2026

Qualifications

Shopping Ads
January 11, 2030 - February 16, 2026
Google Search Marketing
January 11, 2030 - February 16, 2026
Google App Marketing
January 11, 2030 - February 16, 2026
Google Reddit Ads
January 11, 2030 - February 16, 2026
Reddit
January 11, 2030 - February 16, 2026
Spotify Ads
January 11, 2030 - February 16, 2026
Pinterest Ads
January 11, 2030 - February 16, 2026
Pinterest
January 11, 2030 - February 16, 2026

Industry Experience

Retail, Software & Internet, Consumer Goods, Real Estate & Construction, Healthcare, Computers & Electronics, Financial Services, Gaming