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.
- 35Founded Alibaba GroupJune 28, 1999
- ~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 of | Estimate | Source |
|---|---|---|
| 2025 | $11.8B | Forbes · current |
| 2019 | $9.5B | Forbes |
Sources
Every fact on this page traces to one of these.
Sources (4)
- Joseph Tsai (Q18165291) · Wikidata
- Joseph Tsai · Wikipedia
- Joseph Tsai — Forbes net worth (via Wikidata) · Forbes · 2019
- Joseph Tsai — Forbes net worth (stated on Wikipedia) · Forbes · 2025
Also born on January 1
Notable birthday twins
- Wang Ning · 1987 · Founder
- Ronald Perelman · 1943 · Entrepreneur
- Mark Walter · 1960 · Entrepreneur
- Bob McNair · 1937–2018 · Entrepreneur
- Charlie Munger · 1924–2023 · American businessman
- Hashim Djojohadikusumo · 1953 · Entrepreneur