Data-Driven Marketing
A clear, practical case for measuring marketing as an investment. Slightly dated examples, but the core 15-metric framework still earns its place.
What it is
Jeffery, a Kellogg professor, builds the book around a simple provocation: most companies cannot answer basic questions about marketing's return, and the ones that can win. He proposes fifteen metrics - from ROI, CLV and CPA to softer ones like brand awareness and test-and-control lift - as the working set most organizations actually need.
The framing is deliberately managerial. It is less about the algebra of each metric and more about which metrics to adopt, how to start measuring when you have nothing, and how to use the numbers to allocate budget.
What's strong
The 'crawl, walk, run' approach to measurement maturity is genuinely helpful for teams that feel paralyzed by their lack of data. Jeffery's emphasis on test-and-control as the foundation of credible marketing claims was ahead of its time and maps cleanly onto today's incrementality conversation. He is also good on the politics of funding - using metrics to defend and grow a budget rather than just to report.
Where it stops
The examples and channel specifics are the most dated of the books here, and some metrics get lighter treatment than they deserve. Treat it as a framework and a mindset rather than a current playbook; the principles travel better than the tactics.
Who should read it
Marketing leaders building a measurement practice from a low base, and anyone who needs to translate marketing activity into investment language for finance. Use it with our ROAS and CAC tools to put numbers behind the framework.
How RGM uses it
We use Jeffery's 'crawl, walk, run' framing with clients who are starting from almost no measurement at all. Rather than demand a perfect attribution stack on day one, we help them stand up a handful of the fifteen metrics that matter for their stage and build from there. His emphasis on test-and-control as the basis of credible claims maps directly onto how we approach incrementality - measure the lift you actually caused, not the revenue a platform claims. The book is also useful ammunition for the budget conversation, turning marketing from a cost line into an investment with a defensible return.