6) Simon Cowell (Net Worth: $510 Million)

Critical television personality, record producer and impresario Simon Cowell that everyone loves to hate has produced and promoted singles and albums of several successful artists including boy band, One Direction. He made most of his wealth as a judge and through his talent shows Got Talent and The X Factor, a talent show he created in 2004 . He is the owner of Syco, a television production and music producing house. He has been named one of the 100 most influential people by Time twice (2004 and 2010).