AAPL - TIM COOK ENDS 15-YEAR APPLE CEO ERA Tim Cook’s 15-year tenure as Apple CEO ends today, handing leadership of the $4.67 trillion company to hardware chief John Ternus on Sept. 1. Cook becomes executive chairman after overseeing revenue growth from $108 billion in 2011 to $416 billion in 2025. Ternus inherits major challenges around Apple Intelligence, Siri and AI, with his first major test coming at Apple’s Sept. 9 product launch.(*Walter Bloomberg)