Lean Customer Development. Building Products Yo... May 2026

Lean Customer Development, popularised by Cindy Alvarez, mitigates startup risk by replacing assumptions with direct, iterative user research focused on validated learning. The methodology prioritizes understanding the customer’s problem over building features, using rapid, early feedback to ensure products solve genuine needs. For more information, explore the principles in Cindy Alvarez’s "Lean Customer Development: Building Products Your Customers Will Actually Buy".