Sabih Khan who has been with Apple for 30 years, is currently serving as Apple's senior vice president of operations, overseeing the tech giant's ops and global supply chain.

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

Apple on Tuesday announced that Sabih Khan, the company's senior vice president of operations, will take over as chief operating officer from Jeff Williams later this month. The move is part of a long-planned succession strategy,