[1]https://www.investopedia.com/elon-musks-multi-billion-dollar...
> The board narrowed its focus to a major search firm, according to the people familiar with the discussions. The current status of the succession planning couldn’t be determined. It is also unclear if Musk, himself a Tesla board member, was aware of the effort, or if his pledge to spend more time at Tesla has affected succession planning.
Everyone ages.
And often, the greatest leaders' biggest mistakes are not to pick and train a proper successor.
Alexander the Great, Charlemagne, Abraham Lincoln are just a few examples.