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

Apple has announced the appointment of Sabih Khan as its new Chief Operating Officer. An Indian-origin executive with 30 years of experience at Apple, Khan will succeed Jeff Williams, who steps down this month and retires later this year.

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.