Masayoshi Son founded SoftBank in 1981. It has invested millions in some of Silicon Valley's biggest tech companies.

Masayoshi Son, the Japanese tycoon helming U.S. President Donald Trump's big new AI push, is the son of an immigrant pig farmer with a spectacular but also sketchy investment record. Trump's "friend Masa" was born in Japan in 1957 to ethnic Korean parents who scratched a living rearing chickens

Masayoshi Son, the billionaire founder and CEO of SoftBank, the Japanese media technology conglomerate, is often cast as a dreamer, financial engineer, and speculator. But his career — which has spanned the launch of the personal computer and internet,

“I am Masayoshi Son, and SoftBank is not a bank ... Masa rode the wave, investing in U.S. tech behemoths such as Uber, WeWork and Slack, but also in Chinese powerhouses such as Didi Chuxing ...

Masayoshi Son of SoftBank, Sam Altman of OpenAI and Larry Ellison of Oracle joined Trump for the $500 billion announcement.

The Stargate Project will also involve SoftBank Corp., the Japan-based investment firm of Masayoshi Son, who's backed ventures such as Uber and WeWork. The Stargate Project will be a new company ...

Masayoshi Son is the CEO and founder of tech and telecommunications ... Softbank was the biggest investor in WeWork, losing more than $4.7 billion after the coworking company's failed IPO.

Masayoshi Son, the Japanese tycoon helming US President ... This included office-sharing firm WeWork, which went bankrupt, and the hospitality chain Oyo Rooms, and Son shied away from the limelight.

Masayoshi Son, the Japanese tycoon helming US President Donald Trump's big new AI push, is the son of an immigrant pig farmer with a spectacular but also sketchy investment record. Trump's "friend ...