
Reported net worth
$72.00B
Source: Celebrity Net Worth · verified Oct 13, 2026
Trending
81/100
Monthly searches
0
Assets tracked
0
Last checked
Oct 13, 2026
Masayoshi Son is a Japanese billionaire entrepreneur and the founder and CEO of SoftBank Group. Born in Tosu, Japan, he spent his youth in the country before moving to California at the age of sixteen to complete his education. He attended the University of California, Berkeley, where he studied economics and computer science. During his university years, he demonstrated his entrepreneurial spirit by creating and selling a translation device patent to Sharp Corporation, which provided him with the initial capital for his future business endeavors.
Upon returning to Japan in 1981, Son founded SoftBank, initially operating as a software distributor. His career breakthrough arrived with his early investment in the burgeoning internet sector during the 1990s. He became one of the earliest investors in Alibaba, a move that yielded extraordinary returns and cemented his reputation as a visionary venture capitalist. This success allowed SoftBank to transform from a distributor into a global holding company with diverse interests in telecommunications, robotics, and internet services.
In 2016, Son launched the Vision Fund, which became the world's largest technology-focused investment fund. This initiative marked a pivot toward massive, multi-billion-dollar investments in artificial intelligence, ride-sharing platforms, and renewable energy. While the fund has faced scrutiny over some of its high-profile investments, it fundamentally changed the landscape of late-stage startup funding and solidified Son's status as a global titan of venture capital.
Today, Masayoshi Son stands as a central figure in the international tech investment community. His influence extends across major global markets, as he continues to direct the strategic investments of SoftBank toward high-growth, transformative technologies. Despite the volatility of his investment portfolio, he remains a central character in the development of the global digital economy, consistently seeking the next paradigm shift in hardware and software innovation.
1978
Patent Sale to Sharp
While studying at UC Berkeley, Son co-invented a pocket translator and sold the patent to Sharp Corporation for approximately $1 million.
1981
Founding of SoftBank
Son established Nihon SoftBank in Tokyo, initially operating as a distributor of packaged computer software.
1996
Launch of Yahoo! Japan
SoftBank partnered with Yahoo! to set up a joint venture that became Japan's dominant internet portal.
2000
Investment in Alibaba
Son invested $20 million in a nascent Chinese e-commerce startup called Alibaba, which became one of the most profitable venture capital investments in history.
2006
Acquisition of Vodafone Japan
SoftBank acquired Vodafone's struggling Japanese mobile network division for approximately $15 billion, establishing itself as a major telecom carrier.
2016
Acquisition of ARM Holdings
SoftBank acquired British semiconductor and software design company ARM Holdings in a deal valued at approximately $32 billion.
2017
Launch of the Vision Fund
Son launched the SoftBank Vision Fund, the world's largest technology-focused venture capital fund with nearly $100 billion in committed capital.
You may also like
Level up