![mark zuckerberg priscilla chan](https://static-ssl.businessinsider.com/image/53b2f63769bedd261739a7d1-1198-898/mark-zuckerberg-priscilla-chan-7.jpg)
Mark Zuckerberg and Priscilla Chan
Serial entrepreneur $4 on this topic with more than 5,200 upvotes from people like the co-founders of Zynga-owned Farmville and Google-owned Wavii.
Tips has a couple kids and says he has numerous friends who are self-made billionaires.