
John Ternus has been leading Apple’s hardware engineering division, which is responsible for designing its main products. He has worked on devices like the iPhone, Mac computers, iPads, and AirPods. His role includes overseeing product development and ensuring quality and innovation. Over the years, he has taken on more responsibility within the company. In 2026, Apple announced that he will become CEO, replacing Tim Cook. This means he will guide the company’s overall strategy and direction. His work is central to how Apple builds and improves its products.
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