31 March 2022 as the valuation of its stock portfolio plummeted. SoftBank's bad timing-prone, impulsive investment decisions regarding previously overhyped and consequently overvalued startups like Klarna, had plunged in value while some other investment firms had even been able to cash in before the startups' comedown to reap hundreds of millions of dollars in profit. In August 2022, Masayoshi Son said he was “embarrassed” and “ashamed” when asked to talk about the way he had run the SoftBank Vision Fund and Barron's characterized the fund as a “failed experiment” while The Wall Street Journal called SoftBank a “big loser" and Bloomberg elaborated on “Masayoshi Son’s broken business model." By November 2022, according to the Financial Times, Masayoshi Son personally owed SoftBank $4.7bn because of growing losses on the Japanese conglomerate’s technology bets, which have also rendered the value of his stake in the group’s second Vision Fund worthless. By February 2023, this personal debt totaled $5.1 billion according to Bloomberg calculations based on company disclosures. This debt on side deals he set up at SoftBank Group Corp. to boost his compensation, as losses mounted at its core Vision Fund venture capital arm, sparked controversy due to corporate governance concerns, but Son insisted that there wasn’t any conflict of interest. Personal life Son met his wife, Masami Ohno, the daughter of a prominent Japanese doctor, while both were students at the University of California, Berkeley. They have two daughters. He lives in Tokyo in a three-story mansion that is valued at $50 million and that has a golf range with technology to mimic the weather conditions and temperature of the world’s top golf courses. He has also bought a home near Silicon Valley in Woodside, California, that cost him $117 million. He owns the SoftBank Hawks, a professional Japanese baseball team. Son has three brothers and is the second oldest of the siblings. His youngest brother, Taizo Son, is a serial entrepreneur and investor, having founded GungHo Online Entertainment and the venture capital firm Mistletoe. When he went to the United States at 16 to attend high school and then the University of California Berkeley, he decided to use his real Korean surname. "If I had stayed all the time in Japan, Mr. Son said, I probably would have become much more conservative, just as other Japanese." Philanthropy In 2011 Son pledged to donate 10 billion yen ($120 million) and his