JapanFounded it
Masayoshi Son
Masayoshi Son founded SoftBank Group in 1981 and is its chairman and CEO; his fortune is mainly his stake of about a third of SoftBank Group, which controls the chip designer Arm.
- Forbes estimate
- $60.4B
- Forbes, 9 Oct 2026
- Forbes rank
- No. 31
- 9 Oct 2026
- Stake in SoftBank Group
- 32.73%
- Net worth, Bloomberg
- $41.3B
- Bloomberg, 16 Oct 2026
- Born
- 11 Aug 1957
- Tosu, Japan
- Education
- Bachelor's degree
- Bachelor's degree in economics, University of California, Berkeley
- Giving Pledge
- Not a signer
Where the fortune sits
SoftBank Group stock
SoftBank Group
technology investment and telecoms, founded 1981
1,865,511 thousand shares
SoftBank Group Report 2026, major shareholders, 31 Mar 2026
Founder; representative director, corporate officer, chairman and CEO
Arm
chip design
No personal stake stated; Arm is controlled through SoftBank Group
Non-executive director and chairman
Where Masayoshi stands among 73
Everyone on the site, grouped by their answer. Masayoshi Son is outlined.
How the fortune started
Founded it
Founded it 42
Inherited and grew it 12
Built it up 8
Inherited it 6
Through marriage 5
Industry
Technology
Technology 24
Finance 10
Several industries 9
Metals and mining 6
Retail 4
Fashion and beauty 4
Media 3
Food and drink 3
Shipping 3
Crypto 2
Oil, gas and chemicals 2
Healthcare 1
Casinos and resorts 1
Property and sports 1
Giving Pledge
Not a signer
Not a signer 61
Signed 11
Not stated 1
Education
Bachelor's degree
Bachelor's degree 27
Graduate degree 24
Left university without a degree 6
No university 5
Not stated 11
Role today
Runs the company
Runs the company 32
Chair, board or owner 25
Founder, no executive role 8
No role 4
Retired 4
The person
- Born
- 11 Aug 1957Tosu, Japan
- Citizenship
- Japan
- Lives in
- Tokyo, Japan
- Education
- Bachelor's degreeBachelor's degree in economics, University of California, Berkeley
- Parents
- Born to a Korean immigrant family; his father worked at fisheries, farms, restaurants and pachinko parlours
What they give
- Giving Pledge
- Not a signer
- Foundation
- Masason FoundationEstablished December 2016 to support talented young people; he is its president
- Lifetime giving
- Not stated
Role and record
- Role now
- Runs the companyChairman and CEO of SoftBank Group; chairman of Arm
- Successor
- Not stated
- Public office
- None found
- Legal record
- None found
