The Mulliez Family: How 1,650 Members Kept a Business Empire Intact

RichardsonDx · x · 2026-08-22

The French Mulliez family, with over 1,650 members, controls giants like Decathlon and Auchan. They implemented a "Tous dans tout" rule in 1955, mandating cross-ownership to prevent wealth dilution and capitalizing successful companies to fund new ones. Management roles are earned through meritocracy and rigorous evaluation, not just by surname.

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