Ursula Burns grew up in a housing project on Manhattan's Lower East Side and now runs Xerox

Guy Laliberté ate fire on the streets before introducing Cirque du Soleil to the world

Guy Laliberté ate fire on the streets before introducing Cirque du Soleil to the world

Howard Schultz grew up in the Brooklyn projects before discovering, and now leading, Starbucks

Leonardo Del Vecchio was an orphaned factory worker whose eyeglasses empire today makes Ray-Bans and Oakleys

Leonardo Del Vecchio was an orphaned factory worker whose eyeglasses empire today makes Ray-Bans and Oakleys

Before Sam Walton founded Wal-Mart, he milked cows and sold magazines in Oklahoma