The frozen yogurt business puts a sour taste in Daniel Kim's mouth. And that's good.
Kim is on a mission to bring a more tart and better-for-you version of frozen yogurt to the USA. Already a hit in South Korea, it is fermented in a way that he says makes it less sweet and more healthy than desserts that are often called frozen yogurt.
Winning over U.S. consumers, though, won't be easy. Red Mango USA, headed up by former investment banker Kim, 31, has only 10 stores open. It is facing stiff competition from West Coast upstarts that are attempting to get consumers to try this new type of frozen yogurt, often called fro-yo, that's served in a cafelike environment.
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