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Fortune
Fortune
Jane Thier

How the Celsius CEO turned a cult-favorite energy drink into a stock-market lightning rod with 6,000% growth

Celsius John Fieldly Nasdaq USF Celsius Holdings
John Fieldly, CEO of Celsius Holdings (Credit: Fortune)

John Fieldly, 44, is revved up.

The CPA-turned-energy-drink evangelist is the president, CEO, and chairman of Celsius Holdings, the ubiquitous energy drink known for its proclaimed calorie-burning abilities—up to 140 calories per bottle consumed, the company claims. If that weren’t enough to endear itself to gym rats, it also comes in over 30 zany flavors like kiwi-guava. 

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