Apple Reaches $4 Trillion Valuation | Tim Cook's Successor Takes Over

21 Apr 2026 · 7 min
6:49

Tim Cook grew Apple from $350 billion to $4 trillion in 15 years, making him arguably the most successful non-founder CEO ever. Walker traces Cook's path from Auburn engineering through IBM and Compaq, arguing his operational mastery in supply chain and scaling matters more than founder mythology.

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