Billionaire Profile
Joseph Tsai
Global Rank
#231

Image: Public domain | via Wikimedia Commons

Joseph Tsai

CEO, Alibaba Group
CA
Real-Time Net Worth
$12.5B
As of December 2025
Age
61
Source
E-commerce
Industry
technology
Citizenship
CA

Biography

Joseph Tsai is a Taiwanese-Canadian billionaire, lawyer, and philanthropist, renowned for co-founding the Chinese multinational technology company Alibaba Group. His primary wealth source is e-commerce, and he has significantly contributed to the technology industry. Tsai's career spans legal and financial roles, culminating in his current position as Chairman of Alibaba Group since September 2023. His estimated net worth is $12.5 billion. Beyond his business acumen, Tsai is deeply involved in philanthropy and sports, owning the Brooklyn Nets and the New York Liberty, showcasing his commitment to community and social justice.

Wealth Over Time

In-Depth Profile

Early Life and Education

Joseph Chung-Hsin Tsai was born in Taipei, Taiwan, in January 1964. At age 13, he moved to the United States to attend the Lawrenceville School in New Jersey, where he excelled in both lacrosse and football. Tsai then enrolled at Yale University, graduating with a Bachelor of Arts in economics and East Asian studies in 1986. He furthered his education by earning a Juris Doctor degree from Yale Law School in 1990.

Rise to Success

After law school, Tsai began his career at Sullivan & Cromwell before transitioning to private equity. In 1995, he moved to Hong Kong to work for Investor AB, managing Asian private equity investments. His career took a pivotal turn in 1999 when he met Jack Ma and joined Alibaba as a founding member. He played a crucial role in establishing Alibaba's financial and legal structure, and held various executive positions including chief operating officer and chief financial officer. He became executive vice chairman in May 2013 and chairman in September 2023.

Key Business Strategies

Tsai's strategic contributions have been critical to Alibaba's growth. He established the financial and legal frameworks that enabled Alibaba to become a global e-commerce giant. As chairman, he focuses on navigating the company through increasing competition and market challenges. He also spearheaded investments in sports, media, and technology.

Philanthropy

Tsai and his wife, Clara Wu Tsai, are active philanthropists. Through the Joe and Clara Tsai Foundation, they support various initiatives, including education, research, and social justice. Their philanthropic efforts include donations to Yale University, the Lawrenceville School, and various social justice causes. The couple launched the Social Justice Fund in 2020, committing $50 million over ten years to address racial and economic disparities in Brooklyn, New York.

Career Milestones

1990

J.D. from Yale Law School

Graduated with a Juris Doctor degree from Yale Law School.

1999

Co-founded Alibaba Group

Joined Jack Ma as a founding member of Alibaba.

2013

Executive Vice Chairman of Alibaba

Became Executive Vice Chairman of Alibaba Group.

2019

Owner of Brooklyn Nets

Became the owner of the Brooklyn Nets.

2023

Chairman of Alibaba Group

Became the Chairman of Alibaba Group.

Philanthropy & Social Impact

Education

Paul Tsai China Center

$30M

Donated to Yale Law School to support the China Center.

Education

Tsai Center for Innovative Thinking

Unknown

Donated to Yale for the Tsai Center for Innovative Thinking.

Social Justice

Social Justice Fund

$50M

Committed to supporting social justice and economic mobility in Brooklyn.

Research

Wu Tsai Neuroscience Institute

Unknown

Supports the Wu Tsai Neuroscience Institute at Stanford University.

Research

Wu Tsai Institute

Unknown

Supports the Wu Tsai Institute at Yale University.

Business Philosophy & Leadership

Notable Quotes

"I knew I was in an environment to learn, so I didn't want to stick out. I knew I had a knowledge that nobody else had, so people could trust that aspect to me...I don't pretend to do everything. I knew what my role was [on joining Alibaba]."

Leadership Principles

Building Strong Teams

Hire people smarter than yourself and support their success.

Humility and Self-Awareness

Listen more than you talk, and be open to criticism.

Controversies & Challenges

2019

Hong Kong Protests

Called pro-democracy protests in Hong Kong a “separatist movement”.