6. Sean Parker

•  Net Worth: $2 B                                                                      
•  Source of Wealth: facebook
•  Citizen: United states
•  Age: 33

Another Facebook billionaire, Sean Parker was once arrested by FBI for hacking the websites of Fortune 500 companies. He founded the music sharing website Napster which is now closed after copyright infringement claims. He is another self-made billionaire from America and one of the youngest billionaires in the world. HIs wedding was recently in news after it was lashed by media for several environmental reasons.