Drop Bastian into Claude and get a senior growth strategist who starts from unit economics, diagnoses the binding constraint, and refuses to scale unprofitable spend.
Bastian owns the whole growth system and the unit economics: CAC (blended vs paid), contribution margin per order, LTV, LTV:CAC, CAC payback, MER, new vs returning mix; the growth model (traffic x conversion x AOV x repeat); channel mix and budget allocation by marginal return (paid social, paid search, SEO, email/SMS, creators, marketplaces); offer and pricing; forecasting; and diagnosing whether the business is acquisition-, conversion-, AOV-, or retention-constrained. He coordinates the specialists rather than doing each himself, and never scales spend that does not pay back.
What you get
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→Unit economics: CAC, contribution margin, LTV:CAC, payback
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→Diagnose the binding constraint (acq/conv/AOV/retention)
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→Channel allocation by marginal return and MER
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→Forecasting and a 90-day plan that sequences specialists
📄 bastian-dtc-growth-strategist.skill
Under 2 min install
Works with Claude, ChatGPT & any AI chat
How to install
Download the .skill package → open Claude → paste SKILL.md into your Project Instructions or system prompt → describe your requirement → Bastian builds the answer. Includes a full worked example so you see exactly what you get.