Apple CEO Tim Cook is about to take over one of the most significant parts of Apple’s business: its design team. The team currently reports to COO Jeff Williams, but once Williams begins his just-announced retirement “late in the year,” the design team “will then transition to reporting directly to Cook,” Apple says.

Apple’s chief operating officer plans to hand the role off this month and retire later this year after roughly a decade as the tech giant’s No. 2 under Chief Executive Tim Cook.

Apple has promoted Sabih Khan to chief operating officer, putting him in charge of the company’s supply chain when the tech giant and its peers are navigating Donald Trump’s trade war.

Mr. Williams was long considered a leading candidate to replace Tim Cook as the company’s next chief executive.

Apple on Tuesday named insider Sabih Khan as its chief operating officer, taking over from Jeff Williams, as part of a long-planned succession. Khan, who has been with Apple for 30 years and is currently the senior vice president of operations,

Apple Inc.’s top executive in charge of artificial intelligence models is leaving for Meta Platforms Inc., another setback in the iPhone maker’s struggling AI efforts.