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Joseph Tsai

Entrepreneur · Alibaba Group · born January 1, 1964

$9.5Bolder estimate, as of 2019 · Forbes

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About

Joseph Chung-Hsin Tsai (Chinese: 蔡崇信; Pe̍h-ōe-jī: Chhòa Chông-sìn; born January 19, 1964) is a Taiwanese-Canadian billionaire business magnate, lawyer, and philanthropist. He is a co-founder and chairman of the Chinese multinational technology company Alibaba Group.

Adapted from Wikipedia (CC BY-SA 4.0).

Milestones, by age

Dated facts from Wikidata; ages marked “about” come from year-only dates.

  1. 35Founded Alibaba GroupJune 28, 1999
  2. ~59Became CEO of Alibaba Group2023

Reported wealth

Each figure is a dated estimate from the publisher shown; wealth changes, and nothing here is live.

As ofEstimateSource
2019$9.5BForbes · current

Sources

Every fact on this page traces to one of these.

Sources (3)

Also born on January 1

Joseph's most notable birthday twins

Mark Walter
billionaire

Mark Walter

Entrepreneur

1960 · United States

$7.3Bolder estimate, as of 2025 · Forbes

Mark Richard Walter is an American businessman, philanthropist, and the chief executive officer of Guggenheim Partners, a privately held global financial services firm with more than $345 billion in assets under management.

首相官邸, CC BY 4.0, via Wikimedia Commons

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Sources (3)
Leonid Brezhnev
actor

Leonid Brezhnev

Politician

1907–1982 · Soviet Union

Leonid Ilyich Brezhnev was a Soviet politician who served as General Secretary of the Communist Party of the Soviet Union from 1964 until his death in 1982. He also held office as Chairman of the Presidium of the Supreme Soviet from 1960 to 1964 and later from 1977 to 1982.

Vladimir Musaelyan, CC0, via Wikimedia Commons

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Sources (2)
Martin Evans
scientist

Martin Evans

English developmental biologist

1941 · United Kingdom

English developmental biologist

Cardiff University, CC BY 3.0, via Wikimedia Commons

Sources (1)