Michael G. Rubin (born July 21, 1972) is an American businessman and philanthropist. He is the CEO of Fanatics, the world's leading provider of licensed sports merchandise; and executive chairman Rue Gilt Groupe, the premier off-price e-commerce portfolio company, which includes RueLaLa, Gilt, and ShopPremiumOutlets. He previously founded GSI Commerce in 1998, selling it to eBay in 2011 for $2.4 billion.

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