Apple’s new CEO, John Ternus, takes charge of the technology giant Tuesday, bringing Tim Cook’s 15-year tenure to an end. Under Cook, Apple’s value soared to roughly $4.6 trillion, fueled largely by the continued popularity of the iPhone.
Ternus assumes leadership at a critical moment for Apple. The rapid rise of artificial intelligence has triggered the biggest disruption in the technology industry since Steve Jobs introduced the first iPhone in 2007. Apple has struggled to keep pace, particularly after delays and setbacks in delivering AI-powered features that it first promised nearly two years ago.
Earlier this year, Apple announced a new wave of AI improvements, including upgrades to its Siri voice assistant. The company has emphasized privacy and practical, everyday applications as it works to close the gap with competitors that have moved more aggressively into artificial intelligence.
For Ternus, the challenges extend well beyond his background in hardware engineering. He will be expected to strengthen Apple’s position in the AI race while also managing complex supply-chain issues and maintaining relationships with influential political figures, including President Donald Trump, who publicly praised Cook on Tuesday.
Those relationships could prove particularly important. During his time as CEO, Cook developed a close working relationship with Trump while steering Apple through major business challenges, including the administration’s trade policies and tariffs affecting countries in Asia, where much of Apple’s manufacturing supply chain is based. Although Cook is stepping down as CEO, he is expected to help Apple maintain those ties with Trump in his new role as executive chairman.
Ternus is no stranger to Apple’s most important products. During Cook’s tenure, he played key roles in the development of products including the Apple Watch, AirPods and Apple Vision Pro.
His first major public test as CEO will come next week, when he is expected to lead the launch of Apple’s latest iPhone at the company’s headquarters in Cupertino, California.
