Net worth : 24.3 billion USD
Occupation: Founder & CEO of SoftBank
Role : Chief executive officer of SoftBank, the chief executive officer of SoftBank Mobile, and current chairman of Sprint Corporation
According to Forbes magazine, Son’s estimated net worth is US $20.4 billion and he is the richest man in Japan, despite having the distinction of losing the most money in history (approximately $70bn during the dot com crash of 2000). Forbes also describes him as a philanthropist.
Source : Wikipedia
Some of the acquisitions by Softbank
1. ARM : £24.3 billion
2. Boston Dynamics : Un-disclosed amount