Masayoshi Son
Japanese entrepreneur
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| January 2025 | Masayoshi Son was appointed chairman of The Stargate Project, a joint venture involving SoftBank, OpenAI, Oracle Corporation, and MGX focused on artificial intelligence infrastructure. |
| January 2025 | Masayoshi Son was appointed chairman of The Stargate Project, a joint venture involving SoftBank, OpenAI, Oracle Corporation, and MGX focused on artificial intelligence infrastructure. |
| 2024 | Included in Time 100 AI list. |
| 2024 | Included in Time 100 AI list. |
| 2023 | SoftBank sold most of its stake in Alibaba. |
| 2023 | Arm filed confidentially with regulators for a U.S. stock market listing, seeking to raise between $8 billion and $10 billion, with an estimated company value ranging from $30 billion to $70 billion. |
| 2023 | Arm filed confidentially with regulators for a U.S. stock market listing, seeking to raise between $8 billion and $10 billion, with an estimated company value ranging from $30 billion to $70 billion. |
| 2023 | SoftBank sold most of its stake in Alibaba. |
| February 2023 | Personal debt to SoftBank escalated to $5.1 billion, sparking corporate governance controversy. |
| February 2023 | Personal debt to SoftBank escalated to $5.1 billion, sparking corporate governance controversy. |
| November 2022 | Personally owed SoftBank $4.7 billion due to growing losses on technology investments. |
| November 2022 | Personally owed SoftBank $4.7 billion due to growing losses on technology investments. |
| August 2022 | Son publicly expressed being 'embarrassed' and 'ashamed' about how he ran the SoftBank Vision Fund. |
| August 2022 | Son publicly expressed being 'embarrassed' and 'ashamed' about how he ran the SoftBank Vision Fund. |
| March 31 2022 | SoftBank Vision Fund posted a record 3.5 trillion yen loss ($27.4 billion) for its financial year as stock portfolio valuation plummeted. |
| March 31 2022 | SoftBank Vision Fund posted a record 3.5 trillion yen loss ($27.4 billion) for its financial year as stock portfolio valuation plummeted. |
| February 2022 | The Nvidia-Arm deal failed due to objections from U.S. and E.U. antitrust regulators. |
| February 2022 | The Nvidia-Arm deal failed due to objections from U.S. and E.U. antitrust regulators. |
| 2021 | SoftBank Group Corp. acquired a 4.5% stake in Deutsche Telekom AG and subsequently sold its stake in T-Mobile US Inc. to the German telecommunications carrier. |
| 2021 | Masayoshi Son stepped down as CEO of SoftBank Mobile, relinquishing his leadership of the mobile business unit. |
| 2021 | SoftBank Group Corp. acquired a 4.5% stake in Deutsche Telekom AG and subsequently sold its stake in T-Mobile US Inc. to the German telecommunications carrier. |
| 2021 | Masayoshi Son stepped down as CEO of SoftBank Mobile, relinquishing his leadership of the mobile business unit. |
| October 2021 | Accelerated startup investments, quintupling the number of companies in Vision Fund 2 portfolio in less than 9 months. |
| October 2021 | Accelerated startup investments, quintupling the number of companies in Vision Fund 2 portfolio in less than 9 months. |
| 2020 | Sprint and T-Mobile US completed a merger in an all-shares deal valued at $26 billion, significantly restructuring the telecommunications landscape. |
| 2020 | Sprint and T-Mobile US completed a merger in an all-shares deal valued at $26 billion, significantly restructuring the telecommunications landscape. |
| September 2020 | SoftBank Group agreed to sell Arm Limited to Nvidia in a cash and stock deal initially worth $40 billion, with the intention of creating a leading computing company for the era of artificial intelligence. |
| September 2020 | SoftBank Group agreed to sell Arm Limited to Nvidia in a cash and stock deal initially worth $40 billion, with the intention of creating a leading computing company for the era of artificial intelligence. |
| June 2020 | Masayoshi Son stepped down from the Alibaba board. |
| June 2020 | Masayoshi Son stepped down from the Alibaba board. |
| 2019 | Created a second Vision Fund with a target of $108 billion, though the amount was scaled down due to limited investing partners. |
| 2019 | Created a second Vision Fund with a target of $108 billion, though the amount was scaled down due to limited investing partners. |
| 2018 | SoftBank's 27 percent stake in Alibaba was valued at $132 billion. |
| 2018 | SoftBank's 27 percent stake in Alibaba was valued at $132 billion. |
| July 2018 | Committed to underwriting most of 100 GW of a planned 275 GW renewable energy provision in India by 2027. |
| July 2018 | Committed to underwriting most of 100 GW of a planned 275 GW renewable energy provision in India by 2027. |
| March 2018 | Announced a massive investment in the largest solar project, a 200GW development planned for Saudi Arabia as part of its Vision 2030. |
| March 2018 | Announced a massive investment in the largest solar project, a 200GW development planned for Saudi Arabia as part of its Vision 2030. |
| 2017 | Established SoftBank Group's Vision Fund, a $100 billion investment vehicle targeting emerging technologies like AI, robotics, and internet of things. |
| 2017 | Established SoftBank Group's Vision Fund, a $100 billion investment vehicle targeting emerging technologies like AI, robotics, and internet of things. |
| September 2016 | SoftBank completed the acquisition of Arm Holdings, with the total acquisition price reaching approximately £24 billion ($34 billion). |
| September 2016 | SoftBank completed the acquisition of Arm Holdings, with the total acquisition price reaching approximately £24 billion ($34 billion). |
| July 2016 | SoftBank announced plans to acquire Arm Holdings for £23.4 billion ($31.4 billion), which would be the largest ever purchase of a European technology company. |
| July 2016 | SoftBank announced plans to acquire Arm Holdings for £23.4 billion ($31.4 billion), which would be the largest ever purchase of a European technology company. |
| 2015 | SoftBank restructured its corporate names: SoftBank Corp. became SoftBank Group Corp., and SoftBank Mobile Corp. became SoftBank Corp. |
| 2015 | SoftBank restructured its corporate names: SoftBank Corp. became SoftBank Group Corp., and SoftBank Mobile Corp. became SoftBank Corp. |
| 2013 | Ranked 45th on Forbes magazine's list of the World's Most Powerful People. |
| 2013 | Ranked 45th on Forbes magazine's list of the World's Most Powerful People. |
| 2011 | In response to the Fukushima Daiichi nuclear disaster, Masayoshi Son criticized the nuclear industry and committed to investing in a nationwide solar power network for Japan. |
| 2011 | In response to the Fukushima Daiichi nuclear disaster, Masayoshi Son criticized the nuclear industry and committed to investing in a nationwide solar power network for Japan. |
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