became successful enough for his family to become the first people in town to own a car. His family eventually moved out of the neighborhood so that Son could attend a better school. Son pursued his interests in business by securing a meeting with Japan McDonald's president Den Fujita. Taking his advice, Son began studying English and computer science. He left to study in the U.S. on the advice of Den Fujita. At age 16, Son moved from Japan to California and lived with his friends and family in South San Francisco. He finished high school in three weeks by taking the required exams at Serramonte High. Son attended the University of California, Berkeley. At age 19, Son became confident that computer technology would ignite the next commercial revolution after being enamoured by a microchip featured in a magazine. He began his first business endeavours while still a student. With the help of some professors, Son created an electronic translator that he sold to Sharp Corporation for $1.7 million. He made another $1.5 million by importing used video game machines from Japan, on credit and installing them in dormitories and restaurants. Son graduated from Berkeley with a B.A. in Economics in 1980, and started a video game company called Unison World in Oakland, CA. He later sold the company to an associate for close to $2 million, and the company was eventually acquired by Kyocera. Son used his family's adopted Japanese surname for much of his childhood. However, after he returned to Japan, Son decided to use his family's original Korean surname instead. For this action and other similar ones, Son is considered to be a role model for ethnic Korean children in Japan. SoftBank Founder, CEO and largest shareholder of SoftBank, by December 2022, Masayoshi Son had a stake of 34.2% in the company. Yahoo! and Alibaba Son was an early investor in internet firms, buying a share of Yahoo! in 1995 and investing a $20 million stake into Alibaba in 1999; he was briefly the richest person in the world before the stock market crashed. Son's holding company SoftBank owns 29.5% of Alibaba, which is worth around $108.7 billion as of 23 October 2018. Although SoftBank's stake in Yahoo! had dwindled to 7%, Son established Yahoo! BroadBand in September 2001 with Yahoo! Japan in which he still owned a controlling interest. After a severe devaluation of SoftBank's equity,