Derek Cha is the founder of Sweet Frog, an American frozen yogurt chain, which originated in Richmond, Virginia in 2009.Derek Cha was born and raised in the Republic of South Korea. At the age of 12, Cha immigrated to the United States. In 1985, Cha started two framing businesses named "Art and Frame Depot" and "Art and Frame Warehouse". He eventually grew them into a large chain of 80 stores nationwide that were generating between $5 to $10 million a year in revenues, but as the housing market declined in 2006 and the US economy went into recession a couple of years later, Cha found his stores struggling. By 2009 few of those 80 stores remained open, and none were operating profitably. Six months later, after much prayer with his wife, Cha opted for a completely new venture - frozen yogurt Wikipedia
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