Tim Cook steps down as Apple's chief executive after fifteen years at the helm

August 31, 2026 marks the end of an era for the world's most valuable technology company. According to Apple, this is Tim Cook's last day as chief executive, a post he held for fifteen years of profound financial and commercial transformation for the company.

During his tenure at the helm of the corporation, the firm experienced historic stock market growth. According to data released by Apple, the company went from being a smartphone maker valued at $350 billion to consolidating itself as a technology and services giant valued at $5 trillion.

The leadership handover has already been planned for immediate implementation. Starting September 1, 2026, John Ternus, who served as senior vice president of Hardware Engineering, will formally take over as the new chief executive of the company that makes the iPhone.

The transition provides for Cook to remain within the company's leadership structure, though in a different role. The official statement says the outgoing chief executive will become executive chairman of the board of directors, which guarantees continuity in the strategic vision of the American firm.

This change of command comes at a time of stability for global technology markets, where analysts are closely watching how Ternus's engineering leadership will influence the development of new devices and the expansion of digital services, the financial engine that drove the company's record valuation over the last decade.