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Joseph Tsai left a private-equity career to join Alibaba's founding team in 1999, then became the company's longtime finance leader, vice chairman and eventually chairman. [1][3]
Leaving finance for an early startup
Alibaba says Tsai worked as a New York lawyer and later as a private-equity investor in Hong Kong before joining Alibaba's founding team in 1999. Forbes reports that he left a much higher-paying investment job to join the startup for a monthly salary of about $50, bringing finance and legal experience to a young company that was still being organized. [1][3]
Tsai served as Alibaba's chief financial officer until 2013 and sat on its board from the company's inception. His role included financing, governance and strategic transactions as Alibaba grew from a startup marketplace into a broad technology and commerce group. [1][2]
From finance chief to chairman
After serving as executive vice chairman, Tsai became Alibaba's chairman in 2023. His fortune is tied primarily to founder-era equity accumulated through that operating career, while later investments such as ownership of the Brooklyn Nets diversified wealth created from Alibaba. [1][4]
Alibaba's financing and shared founder ownership also mean the company's enterprise value was never equivalent to Tsai's personal wealth. His economic outcome came from the ownership interest retained through years of company growth, while outside capital and other shareholders financed and participated in the value created alongside him. [2][4]
Sources for background
Sources reviewed Sep 15, 2026.
- Joe Tsai · Alibaba Group
- Alibaba Group annual filing · U.S. Securities and Exchange Commission · May 23, 2024
- Who Is Joseph Tsai, The Billionaire Tasked With Steering Alibaba Through Turbulent Time? · Forbes · Jun 21, 2023
- Joseph Tsai · Forbes · Mar 12, 2026
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