Biography: Masayoshi Son

Masayoshi Son founded SOFTBANK Corp. Japan (currently SoftBank Group Corp.) in 1981 and has continued to serve as its chairman & CEO. He also serves as a director of Sprint Corporation, Yahoo Japan Corporation and Alibaba Group Holding Limited and as the chairman of Arm Limited and SoftBank Corp.

Masayoshi Son

Masayoshi Son
Chairman & CEO

Date of Birth:
August 11, 1957

Sept. 1981 Founded SOFTBANK Corp. Japan (currently SoftBank Group Corp.), Chairman & CEO
Jan. 1996 President & CEO, Yahoo Japan Corporation
Oct. 2005 Director, Corporation (currently Alibaba Group Holding Limited; to present)
Apr. 2006 Chairman of the Board, President & CEO, Vodafone K.K. (currently SoftBank Corp.)
July 2013 Chairman of the Board, Sprint Corporation
June 2015 Director, Yahoo Japan Corporation (to present)
Sept. 2016 Chairman and Executive Director, ARM Holdings plc (currently SVF HOLDCO (UK) LIMITED)
June 2017 Chairman & CEO, SoftBank Group Corp. (to present)
Mar. 2018 Chairman and Director, Arm Limited (to present)
Apr. 2018 Chairman, SoftBank Corp. (to present)
  • *
    No change to English title
May 2018 Director of the Board, Sprint Corporation (to present)

(As of March 31, 2019)

Number of shares held 231,204,632 shares
  • *
    Yahoo Japan Corporation changed its corporate name to Z Holdings Corporation on October 1, 2019.