Apple CEO Tim Cook Steps Down, John Ternus Replaces Him

After nearly 15 years as Apple CEO, Tim Cook is stepping down. He will continue to operate in the role until Sept. 1, when he will be replaced by John Ternus, the company's senior vice president of hardware engineering.

Cook won't disappear from Apple. He will transition to Apple's board of directors as executive chairman, the company announced Monday. But the shift represents the end of an era for the company. 

Cook became CEO on Aug. 24, 2011, taking over from Apple co-founder and face of the company Steve Jobs, who passed away two months later. Known for improving the company's supply chain, Cook oversaw a period of record growth. During his 15-year tenure, it refined its smartphone line from the iPhone 5 onward, debuted new products like the Apple Watch and HomePod, and launched services such as Apple Music, Apple TV Plus ...