Andrew Luxem

Writing

The Strategic Brief

Practitioner notes on growth systems, CRM, retention, measurement, operating playbooks, and applied AI. Each brief names the decision, shows the mechanism, and closes with a practical next step.

FeaturedOPERATING MODEL2026-06-26 · 2 min

Working Backwards Protects the Customer Promise From the Internal Plan

Working Backwards forces teams to prove the customer promise before they protect the internal plan.

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SeriesDaily systems checkA short operating brief tying growth work to constraints and evidence.SeriesThe week in systemsTen signals from the week that share a common operating thread.SeriesThe Growth Operating SystemHow customer evidence becomes a decision, a mechanism, and a closed review loop.SeriesPlaybooks, shipped as skillsOne operating problem, mechanism, failure check, and adoption test for each skill.
AllCRM systemsRetention & lifecycleApplied AIMeasurementOperating model

5 of 77 articles

2026-10-07
2 min
Testing Plans: Define the decision before the result arrives

A test launches before the team agrees on the hypothesis, comparison, primary measure, guardrails, sample rules, or decision threshold. This brief shows the mechanism, failure check, and adoption test.

MEASUREMENT
2026-08-07
2 min
Attributed Revenue Is Not the Same as Causal Lift

Attribution can describe which touchpoint received credit. It cannot, by itself, show what would have happened without the intervention.

MEASUREMENT
2026-06-21
1 min
Holdout Testing Is an Antidote to Comfortable Measurement

Holdouts protect teams from mistaking tracked movement for incremental lift.

MEASUREMENT
2026-06-08
6 min
LTV/CAC Is Not a Ratio: It Is a Growth Framework

Most teams treat LTV/CAC as a single number on a slide. It should be the operating system for how you allocate growth budget.

MEASUREMENT
2026-06-01
6 min
Retention Metrics That Matter: What to Track and What to Ignore

Most retention dashboards are cluttered with vanity metrics that feel good but don't predict behavior or revenue.

MEASUREMENT

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