9. Masayoshi Son
Net Worth: $22.4 billion
Masayoshi Son founded the SoftBank, a telecommunications corporation. He is also a philanthropy and is known to have lost a large amount of money in the dot com crash. In fact, he has lost the most money in entire human history. He is a great philanthropy and has donated some 10 billion yen to help the victims of 2011 Tōhoku earthquake and tsunami.