4.Hiroshi Mikitani – $7.7 billion
Hiroshi Mikitani is the fourth richest person in Japan.
Net Worth: $7.7 billion
Source: Self made, online retailing
Chairman and CEO of Japan’s biggest e-tailer, Rakuten, Hiroshi Mikitani spent around $2 billion buying Buy.com in the U.S. and Play.com in the U.K. Besides that, Mikitani also spend a $100.000 stake in Pinterest.
Masayoshi Son (who is on this list as well) got into a price war with billionaire Mikitani when Son eliminated fees that his Yahoo Japan charged for online stores. But this didn’t stop Mikitani, who also purchased Viber for $900 million.
