Masayoshi Son Overview

  • Investor Type
  • Angel

  • Status
  • Active

  • Investments
  • 3

  • Portfolio
  • 1

  • Exits
  • 2

Exits

Masayoshi Son General Information

Description

Mr. Masayoshi Son is the Founder and serves as a Board Director at SoftBank Group. He serves as President and Chairman at The Stargate Project. He is also the Founder of SoftBank Investment Advisers. He also serves as Chairman of the Board at ARM. He served as Director & Chairman at SB Energy Japan. He served as a Board Member at Paytm. He also served as an Investment Committee Member at the Open Opportunity Fund. He served as an Advisor at Kyocera Goldman Sachs Venture Capital. He served as Chairman at SB Energy Holdings. He served as a Board Member at Alibaba Group. He also serves as Chairman of SoftBank Mobile and on the board of T-Mobile. He founded SoftBank Group. He has been the company's Chairman and Chief Executive Officer from February 1986 until June 2015. He also served as an Investor at Breakthrough Energy. He also serves in various capacities within SoftBank's portfolio of companies, including Vodafone (currently SoftBank) as its Chairman since 2015 and served as its Chairman and Chief Executive Officer from 2006 until 2015. In addition, he sits on the board of directors of Yahoo! Japan, which was established as a joint venture between SoftBank and Yahoo! and served as its Chairman from 1996 until 2015. He has also served as Honorary Chairman of the Broadband Association in Japan. He also serves as Director at Yahoo Japan. He served as an Advisor at The Raine Group. He holds a BSBA in Economics from the University of California, Berkeley.

Business Details

Investor Status
Actively Seeking New Investments
Primary Investor Type
Angel (individual)
Corporate Office
  • Tokyo
  • Japan

Masayoshi Son Investments (3)

Company Name Deal Date Deal Type Deal Size Industry Company Stage Lead Partner
Episteme 14-Nov-2025 Early Stage VC Media and Information Services (B2B) Stealth
Fervo Energy 03-Jul-2019 Energy Infrastructure Generating Revenue
Rakuten Commerce 01-Jan-2000 Internet Retail Generating Revenue

Masayoshi Son Exits (2)

Company Name Exit Date Exit Type Exit Size
Fervo Energy 13-May-2026 IPO
Rakuten Commerce 01-Jul-2010

Masayoshi Son Investments by Industry, Year, and Region

Investments by Industry

Investments by Year

Investments by Region

PitchBook’s data visualizations quickly surface an investor’s historical investments—showing a breakdown of activity by industry, year and region.

Masayoshi Son Co-Investors (2)

Name With Exits Lead Partner Series Industry
Samuel Altman 1 Series chart Industry bar
Transpose Platform Management Series chart Industry bar

Masayoshi Son FAQs

  • Who is Masayoshi Son?

    Masayoshi Son is an angel Investor who has made 3 investments.

  • What kind of investor is Masayoshi Son?

    Masayoshi Son is an angel investor.

  • What does Masayoshi Son do?

    As an angel investor, Masayoshi Son invests personal money into promising companies, typically in exchange for equity.

  • What has Masayoshi Son invested in?

    Masayoshi Son has made numerous investments in companies like Episteme, Fervo Energy, and Rakuten Commerce within the Media and Information Services (B2B), Energy Infrastructure, and Internet Retail industries.

  • What has Masayoshi Son invested in recently?

    Masayoshi Son's latest investment was on 14-Nov-2025 in Episteme, a company within the Media and Information Services (B2B) industry.

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