CUPERTINO, CALIFORNIA Apple today announced Jeff Williams will transition his role as chief operating officer later this month to Sabih Khan, Apple’s senior vice president of Operations, as part of a long-planned succession. Williams will continue reporting to Apple CEO Tim Cook and overseeing Apple’s world-class design team and Apple Watch alongside the company’s Health initiatives. Apple’s design team will then transition to reporting directly to Cook after Williams retires late in the year.

During his career with Apple, Williams built out a supply chain that has supported Apple’s growth and customers around the world with expansion, including the United States, China, India, Japan, and across Southeast Asia. He led Apple’s supplier responsibility efforts which has helped raise the bar for workers around the world, offering critical training and important education programs. Williams played a key role in the introduction of iPod and iPhone programs. He led the effort on Apple Watch over a decade ago and architected the company’s health strategy, helping customers live healthier lives, learn more about their health, and receive lifesaving care. For the past several years, Williams has also overseen Apple’s industry-leading design team.