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Portrait of Masayoshi Son
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Masayoshi Son

Founder, Chairman and CEO, SoftBank Group

  • Founder, Representative Director, Corporate Officer, Chairman & CEO, SoftBank Group1

Masayoshi Son is founder, representative director, corporate officer, chairman and CEO of SoftBank Group Corp. Under Son's leadership SoftBank has invested heavily in technology and AI, including a January 2025 Stargate-related announcement with OpenAI and Oracle and a December 2025 completion of an additional $22.5 billion investment in OpenAI.123

At a glance

Current role
Founder, Representative Director, Corporate Officer, Chairman & CEO
Sources cited
3
Profile reviewed

Accomplishments

  • Founder, chairman and CEO of SoftBank Group Corp.1
  • SoftBank, OpenAI, and Oracle announced the Stargate Project on January 22, 2025.2
  • SoftBank completed an additional $22.5 billion investment in OpenAI on December 31, 2025.3

SoftBank Group

Son founded SoftBank and serves as representative director, corporate officer, chairman and CEO of SoftBank Group Corp., directing the group's investment and operating strategy.1

AI infrastructure and OpenAI investment

On January 22, 2025, SoftBank Group, OpenAI, and Oracle announced the Stargate Project, described as a major AI infrastructure initiative in the United States.2

On December 31, 2025, SoftBank Group announced completion of an additional $22.5 billion investment in OpenAI.3

Timeline

  1. SoftBank, OpenAI, and Oracle announced the Stargate Project.2
  2. SoftBank completed an additional $22.5 billion investment in OpenAI.3

Where they work

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References

3 sources · profile reviewed Oct 23, 2026 · data updated Oct 23, 2026

  1. Masayoshi Son – SoftBank Group officersSoftBank Group · Official page · accessed Oct 23, 2026
  2. Announcing The Stargate ProjectOpenAI · Announcement · published Jan 22, 2025 · accessed Oct 23, 2026
  3. Completion of Additional $22.5 Billion Investment in OpenAISoftBank Group · Announcement · published Dec 31, 2025 · accessed Oct 23, 2026