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Tim Cook (born November 1, 1960) is an American business executive who has been the chief executive officer of Apple Inc. since 2011. The Apple...

Gary Vaynerchuk (born November 14, 1975;) is a Belarusian-American entrepreneur, author, speaker, and Internet personality. There are not a lot of 20-year-olds who can say...

Arianna Stassinopoulos Huffington (born July 15, 1950) is a Greek-American author, syndicated columnist and businesswoman. On 6 April 2007, the Huffington Post co-founder woke up...