Most individuals who climb to the position of CEO have plenty of smarts. A certain level of intelligence is generally required before you're handed the keys to an entire enterprise.
A study that ran from 1996 to 2014 confirms this idea: About 40% of Fortune 500 CEOs were found to be in the top 1% of cognitive ability.
But pure brainpower isn't nearly enough to successfully walk the CEO tightrope.
People like Jack Welch, Alan Mulally, and Jeff Bezos have more than impressive IQ scores; they've excelled as chief executives because they understand the unique nuances of the role — most of which involve inspiring and influencing people, not mastering logical problems.
Here are seven mistakes even the smartest chief executives commonly make (and most of which I've made myself):

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