Who is John Ternus, the Apple exec tipped to take over from Tim Cook?

Tech Insider
John Ternus being displayed on a screen
John Ternus is Apple's head of hardware engineering.

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Elon Musk says the end of 2023 is a 'good timing' to find a new CEO for Twitter because the company will be 'stable' by then

Tech Insider
Elon Musk
Elon Musk.

Susan Walsh/AP

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