Founder MindsetProven Pattern

Accept that your ICP will change - build the discipline to iterate, not the skill to predict

Every successful founder starts with ICP hypotheses that prove wrong. The winning approach is not better prediction but faster iteration - courage to get narrow, humility to admit mistakes, and persistence to keep testing.

When to use

Throughout early-stage development when evaluating ICP assumptions

Don't do this

Spending months perfecting your ICP definition before testing it with real prospects

3 Founders Who Did This

1
Okta, Vanta, Clay, Retoolby Multiple founders

Every founder featured started with ICP hypotheses that were dead wrong - Retool thought FileMaker developers, Vanta tried voice assistants, Clay served everyone for 5 years

Result:All found success through systematic iteration - as Mike Molinet said: Your ICP will change - not may change, will change
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2
Supademoby Joseph Lee

Initially targeted busy founders but shifted to organizations with 50+ employees after discovering founders were price-sensitive and used the product inconsistently due to context-switching.

Result:Larger organizations showed higher willingness to pay, stickier usage patterns, and natural land-and-expand potential, improving retention and revenue
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3
Retoolby David Hsu

Described PMF as having two dials (product and market). Kept product vision constant while pivoting messaging and market targeting from FileMaker devs to React developers at Fortune 250 companies

Result:This dual-dial approach led to $2M ARR pre-launch and eventual $3.2B valuation by iterating on market fit rather than rebuilding the product
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