Madonna's longtime manager says the singer taught him to never think in a 'limited way'

Fuente: Business Insider

Madonna's longtime manager, Guy Oseary, says the singer's work ethic inspired the way he approached his own career. Jeff Vespa/Getty Images for TWCGuy Oseary says Madonna's relentless work ethic helped shape the way he built his own career. "There are no walls around her thoughts.