How Tim Cook Made Apple One of the World’s Most Valuable Companies
Cook’s low-drama leadership helped Apple keep products flowing quickly while expanding into new categories and services, including Apple Watch and Apple Music.
- Tim Cook marks 15 years as Apple CEO on September 1, 2026, having transformed the company through stock growth exceeding 2,000% and a brief $5 trillion market capitalization milestone in July.
- Navigating complex political relationships between the US and China, Cook maintained Apple's iPhone empire amid geopolitical tensions by promising to expand American operations and avoid Trump's tariffs.
- Ron Johnson, who oversaw Apple's retail operations, described Cook as "intelligent" and "strategic," while Gene Munster of Deepwater Asset Management called him "a statesman" for balancing China production diversification with consumer appeal.
- Hardware engineering chief John Ternus succeeds Cook on September 1, carrying forward Cook's final advice to focus on products that "enrich" the lives of customers for sustained business growth.
- Ternus inherits significant challenges including European regulatory pressures affecting the App Store and Siri, Vision Pro underperformance, and supply chain reliance on China that caused disruptions during the Covid pandemic.
25 Articles
25 Articles
From operational manager to sustainable growth architect: After 15 years leading the company, Cook transformed Apple into a machine of innovation, efficiency and values.
How a $5,000 Investment in Apple Compounded Under Tim Cook
Tim Cook turned Apple into a $4.7 trillion empire and left long-term investors sitting on gains that crushed the market, but with John Ternus now holding the keys and a 37 trailing P/E priced for perfection, the harder question is whether that run has any room left.
Tim Cook leaves Apple CEO: what has changed in 15 years and who will replace him Tim Cook will become the executive chairman of Apple's board<p>, and the CEO from September 1 will be engineer John Ternus. Under Cook, the company's capitalization grew to $4 trillion.</p>
From entry to exit — how Apple stock price and valuation changed under Tim Cook as Apple CEO
Tim Cook will step down as Apple's CEO on 1 September 2026, transitioning to executive chairman. John Ternus will succeed him after a 15-year tenure that saw Apple’s revenue grow fourfold and its market value soar to approximately $4.67 trillion.
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