WEBMasayoshi Son (Japanese: 孫 正義, romanized: Son Masayoshi, Korean: 손정의, romanized: Son Jeong-ui; born 11 August 1957) is a Japanese billionaire technology entrepreneur, investor and philanthropist.A third-generation Zainichi Korean, he naturalized as a Japanese citizen in 1990. He is the founder, representative director, corporate officer, chairman and CEO of SoftBank Group Corp ...