Self-Made Billionaire Michael Rubin: E-Commerce Is Rapidly Changing The owner of Rue La La, Fanatics and ShopRunner was bankrupt in his teens. But today, at 41, he is worth almost $3 billion.

By Catherine Clifford

Opinions expressed by Entrepreneur contributors are their own.

Michael Rubin, a Philadelphia native, has been playing hardball in business since he was just a teen. His early days were tumultuous to say the least. By the time he was 16, Rubin was more than $200,000 in debt. But he has more than recovered: At 41, Rubin is worth $2.7 billion.

Today, Rubin is hyper focused on growing his three e-commerce businesses: fashion flash sale site Rue La La, two-day delivery membership program ShopRunner and sports-team gear site Fanatics. He says e-commerce is still a young and rapidly growing industry that stands to be changed as dramatically by mobile as the Internet has changed e-commerce.

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Catherine Clifford

Senior Entrepreneurship Writer at CNBC

Catherine Clifford is senior entrepreneurship writer at CNBC. She was formerly a senior writer at Entrepreneur.com, the small business reporter at CNNMoney and an assistant in the New York bureau for CNN. Clifford attended Columbia University where she earned a bachelor's degree. She lives in Brooklyn, N.Y. You can follow her on Twitter at @CatClifford.

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