Zachary O'Donnell

Pricing & Profitability Transformation

Used cross-channel pricing, cost, volume, and margin analysis to redesign pricing and profitability decisions across a $50M+ e-commerce business.

Business problem

Pricing and margin decisions were spread across channels, cost assumptions, and one-off analyses, so growth and profitability were hard to manage together.

Role

Led the analytical work and the decision support behind pricing, margin, and volume tradeoffs.

Scale

$50M+ e-commerce business; cross-channel price, cost, and volume analysis.

Result

Approximately 25% growth in net sales in one year, with approximately 15% lower unit volume, alongside better margins and a more efficient operation.

Amazon Advertising Optimization & Automation

Analyzed and supported strategy for more than $5 million in annual Amazon advertising spend, then built the optimization system that made those decisions repeatable.

Business problem

A large Amazon advertising account was too fragmented to manage consistently, and default platform metrics were a weak guide to profit.

Role

Owned the analysis and the optimization workflow. Supported strategy for the account; I did not personally control the entire advertising budget.

Scale

More than $5M in annual Amazon advertising spend analyzed for a $50M+ e-commerce business. Campaign count moved from more than 5,000 to fewer than 1,000.

Result

ACOS improved from above 16% to 14.5% with higher net sales. Manual optimization work dropped by approximately 60–80%.

COGS & SKU Profitability Engine

Took an Excel MVP for product cost and turned it into a production application covering standard products and a very large custom catalog.

Business problem

Product cost lived in spreadsheets that could not represent a catalog of custom sizes, materials, and shapes.

Role

Partnered with business, operations, and technical stakeholders to design, iterate, and put the cost logic into production use.

Scale

About 3,000 standard SKUs and more than 800,000 custom SKU combinations.

Result

Teams could see cost and margin at a product level that a maintained spreadsheet could not cover.

Executive Scorecard & Forecasting

Built the weekly business review: shared KPIs, variance and trend context, and a forecast the leadership team could use to choose follow-up actions.

Business problem

Weekly reviews were spent assembling channel exports instead of deciding what to do.

Role

Defined the KPI set, the review narrative, and the forecasting view that leadership used to steer the business.

Scale

Weekly executive review across e-commerce channels for a $50M+ business, including sales, margin, and advertising context.

Result

A trusted weekly forum for performance, forecast, and the short list of actions that followed.

League Island

Independent league-management SaaS product

A product I own end to end: organizers run registration, competition, and communication in one place instead of a pile of spreadsheets and chat threads.

Business problem

League organizers were splitting registration, schedules, brackets, payments, and player communication across spreadsheets, chat, and one-off tools.

Role

Product owner and builder. I set the roadmap and turned organizer and player needs into product decisions.

Scale

Multi-tenant product used to operate leagues, with separate organizer and player workflows.

Result

A live product that covers the league lifecycle, not a demo of a single bracket screen.