# Costco’s Co-Founder Built a $440 Billion Retail Giant. It Came Down to 1 Lesson From His First Boss

- Source: Inc.com
- Published: 2026-11-01T02:08:29+00:00
- Category: Tech
- Original: https://www.inc.com/moses-jeanfrancois/costco-co-founder-440-billion-dollar-retail-giant-1-less-from-first-boss/91426376
- Canonical: https://groundlevelnews.com/story/costco-s-co-founder-built-a-440-billion-retail-giant-it-came-down-to-1-96ef3b/

A job early on in his career introduced the Costco co-founder to the mentor who would shape his approach to the retail giant.

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