John Ternus to succeed Tim Cook

The appointment of John Ternus marks a return to a product-focused leadership style for Apple as it navigates the competitive AI landscape.

Ternus, a 25-year company veteran, has been a key architect of the iPhone and Mac hardware during Cook's tenure.

He faces the immediate challenge of proving Apple's innovation capabilities in mixed reality and generative AI while retaining top talent.

Tim Cook's departure ends a 15-year era that saw Apple grow into a $4 trillion tech colossus.