Which tech CEO famously handed over leadership to his internally groomed successor in 2011, after a medical leave of absence, in what is considered one of the most successful CEO transitions in business history?

Leadership transitions can make or break a company's future. While many major corporations look externally for fresh leadership when a CEO departs, some of the most successful transitions have come from carefully groomed internal successors. This trivia question explores one of the most notable internal CEO successions in modern business history - a transition that maintained company culture while driving continued innovation and growth.

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Steve Jobs to Tim Cook at Apple
Bill Gates to Steve Ballmer at Microsoft
Jack Welch to Jeffrey Immelt at General Electric
Eric Schmidt to Larry Page at Google