Masayoshi Son

Japanese businessman

Knowledge panel

Occupation

entrepreneur

Born

August 11, 1957

Zodiac

Leo

25,219

days alive

69

years old

Born
August 11, 1957
Zodiac
♌︎Leo·rooster 🐓
Updated Jul 2026

About

Japanese businessman

Birth Chart

Natal Chart

Masayoshi's Birth Chart

Astrology
♈︎♉︎♊︎♋︎♌︎♍︎♎︎♏︎♐︎♑︎♒︎♓︎☉☽☿♀♂♃♄⛢♆♇
Fire
Earth
Air
Water
☉

Sun Sign

Leo♌︎

☽

Moon Sign

Pisces♓︎

Dominant Element

Fire

⚠️ Rising sign requires birth time for accurate calculation

Planetary positions calculated for August 11, 1957

Connections4

Shaherose Charania

Shaherose Charania

entrepreneur

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Heinz Nixdorf

entrepreneur

Stefan Raab

Stefan Raab

entrepreneur

Omurbek Babanov

Omurbek Babanov

entrepreneur

Day Lookup ToolDay MilestonesOn This Day
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⚡ Timeline
2023
Day 24,140
Age 66

SoftBank's Arm Holdings IPO

Confidence
96%
Sep 14, 2023

Arm Holdings, owned by SoftBank, successfully lists on the Nasdaq.

2022
Day 23,519
Age 64

SoftBank Vision Fund losses reported

Confidence
96%
Jan 1, 2022

SoftBank Vision Fund reports significant losses due to tech stock downturn.

2017
Day 21,813
Age 59

Launch of SoftBank Vision Fund

Confidence
96%
May 1, 2017

Son launches the SoftBank Vision Fund, a technology investment fund.

2016
Day 21,526
Age 58

Acquisition of ARM Holdings

Confidence
96%
Jul 18, 2016

SoftBank acquires ARM Holdings for approximately $32 billion.

2013
Day 20,421
Age 55

Acquisition of Sprint Corporation

Confidence
96%
Jul 9, 2013

SoftBank acquires a majority stake in Sprint Corporation.

2001
Day 15,849
Age 43

Investments in Yahoo! Broadband

Confidence
96%
Jan 1, 2001

SoftBank invests heavily in Yahoo! Broadband, expanding internet services.

2000
Day 15,483
Age 42

Investments in Alibaba

Confidence
96%
Jan 1, 2000

SoftBank makes a significant early investment in Alibaba.

1997
Day 14,388
Age 39

IPO of Yahoo Japan

Confidence
96%
Jan 1, 1997

Yahoo Japan, backed by SoftBank, goes public.

1995
Day 13,657
Age 37

Acquisition of Ziff Davis Publishing

Confidence
96%
Jan 1, 1995

SoftBank acquires Ziff Davis Publishing, expanding media holdings.

1981
Day 8,789
Age 24

Established SoftBank Corp.

Confidence
96%
Sep 3, 1981

Son establishes SoftBank Corp., a telecommunications and media corporation.

1980
Day 8,178
Age 22

Founded Unison World

Confidence
96%
Jan 1, 1980

Founded Unison World, which was later renamed Softbank.

Day 8,178
Age 22

Graduated from UC Berkeley

Confidence
96%
Jan 1, 1980

Graduated with a Bachelor of Arts degree in Economics from UC Berkeley.

1979
Day 7,813
Age 21

Sold first invention

Confidence
96%
Jan 1, 1979

Sold his first invention, a multilingual translator, to Sharp Corporation.

1974
Day 5,987
Age 16

Studied at Holy Names College

Confidence
96%
Jan 1, 1974

Attended Holy Names College before transferring to UC Berkeley.

1973
Day 5,622
Age 15

Moved to the United States

Confidence
89%
Jan 1, 1973
Flight Manifest
Verified Route
1957
Day 0
Age 0

Birth of Masayoshi Son

Confidence
96%
Aug 11, 1957

Masayoshi Son was born in Tosu, Saga Prefecture, Japan.