Tim Cook officially stepped down as Apple CEO on August 31, 2026, concluding a tenure that saw the company's valuation grow to $4 trillion.
John Ternus has been appointed as the new CEO, with a primary mandate to lead Apple's transition into the AI-driven era of consumer technology.
In a farewell memo to employees, Cook expressed gratitude for his time at the helm, while investors are closely watching Ternus's strategy for maintaining Apple's market dominance.