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What 10 CEO titans studied in college before making it big

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It can be difficult to imagine, but once upon a time, the CEOs of America's biggest companies were just college kids too — albeit incredibly intelligent ones.

They also had to balance studying for exams, hanging out with friends and figuring out what to do with the rest of their lives.

So what did they study that eventually led them to the helm of the country's mega companies?

It turns out there is no clear-cut path to landing in the CEO suite of America's 10 biggest companies by market cap. By and large though, these chief executives majored in the STEM (or science, technology, engineering and math) fields before climbing the corporate ladder. Some have advanced degrees — but far from all of them. One was even a college dropout.

Click ahead to find out what corporate heavyweights like Berkshire Hathaway CEO Warren Buffett and Amazon CEO Jeff Bezos studied in school.

By CNBC's Katie Little
Published 25 March 2016


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