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David ChenDC
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David Chen

@davidchen10

Growth strategist at BA Commerce, rebuilding DTC forecasts and using contribution-margin models to guide paid acquisition and offers.

Canada
Message

At BA Commerce, I work on growth strategy and analytics for a DTC women's apparel brand across Canadian and US markets on Shopify. I rebuilt the revenue and growth forecast for the remainder of 2026 and helped shape actions to close the gap to plan.

I run paid media against contribution-margin models, setting acquisition ceilings and efficiency targets to keep first-purchase contribution positive while monitoring LTV:CAC. I also modeled promotional offers against 12 months of order-level data to set contribution-based guardrails.

As an Independent Contractor — Senior Media Buyer, I scaled monthly paid media budgets from $180K to $700K–$1M over 12 months. I led the company's first $1M-revenue live challenge campaign, delivering 4× ROI.

Earlier, I managed agency acquisition campaigns, client accounts, and performance reporting across paid channels. At Optimized Webmedia Marketing, I developed SEO and SEM strategy, ran A/B tests, and built and tested landing pages.

Experience

Work history, roles, and key accomplishments

IC
Current

Senior Media Buyer

Independent Contractor

Jun 2023 - Present (3 years 3 months)

Paid acquisition for a personal development and coaching education brand. Scaled monthly paid media budgets from $180K to $700K–$1M and led the first $1M-revenue live challenge campaign.

HM

Account Manager / Senior Ads Manager

Hirsh Marketing

Sep 2020 - Nov 2022 (2 years 2 months)

Managed 5–7 clients averaging $100K–$150K in monthly ad spend. Promoted from Junior Ads Manager to Account Manager, trained and led the internal ads team, and delivered forecasting to clients.

HM

Ads Manager

Horizons Digital Marketing

Jun 2020 - Nov 2021 (1 year 5 months)

Managed Facebook and Google Ads for eCommerce brands, handling 6–8 accounts simultaneously. Delivered weekly reporting and maintained average ROAS above 4× across most accounts.

Education

Degrees, certifications, and relevant coursework

BA

BA Commerce (Growth Agency)

BA Commerce

No specific education details were provided beyond the label 'BA Commerce (Growth Agency)'.

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