How to Prove Marketing Works in 90 Days

Learn how to trade flawed, correlation-based tracking for true unified measurement that isolates real revenue growth. By combining MMM and geo-testing, this guide shows you how to eliminate platform bias and get the bulletproof, incremental ROI data needed to align seamlessly with your CFO. Use the included operational checklist as your step-by-step manual to transform everything from your team structure and agency contracts to your weekly data cadence.

CMO Playbook Internal Cover

The Framework

The pattern holds across industries, company sizes, and starting points.
Five moves, in this order.

Diagnose: Find the Gap

Audit your current stack honestly. Find the gap between what you report and what actually drives revenue.

Anchor: Get One Real Number

Run your first incrementality test on a channel that matters. Make causal truth a fact your organization has seen, not a slide it’s been shown.

Triangulate: Build One Source of Truth

Reconcile causal MMM, incrementality, and incrementality-adjusted attribution into one number per channel.

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