Choi, St

Born into a life of abject poverty in South Korea, John Junghun Chang's journey to prosperity began with studying business at Dongguk University, which led him to immigrate to America to work for the US branch of a Korean importing company that later laid him off.

After working a series of low-paying jobs, Chang dove into entrepreneurship by launching a small laundry shop in Reseda, California. Once the shop became profitable, he sold it and purchased Amko, a waste management and recycling company. Eventually, he transitioned into the clothing industry and took over one of the largest dyein...