Samuel MartinExperiments and measurement systems
For growth and marketing analytics

Outbound Stopped Being a Cost Line

Growth work is where a measurement either survives contact with a budget decision or does not. Samuel Martin runs the experiment that prices a channel, then builds the attribution that keeps the price honest after the experiment ends.

This surface re-sequences the same four case studies and swaps the sentence above it. No proof point here is unique to this page, and none of the four surfaces is the real one.

In this order

Unit economics first, then the plumbing that keeps them true.

What Samuel Martin would own here.

The experiment design, the attribution model underneath it, and the reporting that a finance partner will accept without a translation layer.

Figures across this site are redrawn on synthetic data, no client is named, and the method and reasoning are exact.