Billionaire Profile
Joseph Steinberg
Global Rank
#2747

Image: Saul Steinberg Foundation | Public domain | via Wikimedia Commons

Joseph Steinberg

CEO, Jefferies Financial Group
UNITED STATES
Real-Time Net Worth
$1.301B
Estimated based on Jefferies Financial Group stock value as of March 6, 2026
-5.74% (24h)
Age
81
Source
Investments
Industry
finance-investments
Citizenship
UNITED STATES

Biography

Joseph Steinberg is the Chairman of Jefferies Financial Group, a global investment banking firm. He is a self-made billionaire with a net worth of $1.3 billion, primarily from investments. Steinberg began his career at Leucadia National Corporation in 1979, serving as President until 2013. During his tenure, Leucadia made significant investments and eventually merged with Jefferies. Steinberg, who is 81 years old, also serves on the board of directors for Crimson Wine Group and other organizations. He graduated from New York University and received an MBA from Harvard Business School.

Fact Checked
Verified by Editorial Team
Live Data
Updated 3/6/2026

Wealth Over Time

In-Depth Profile

Early Life

Joseph Steinberg was born on May 16, 1934, in Passaic, New Jersey. He received a scholarship to Harvard College. He was also recognized as an “Outstanding Young Citizen of Passaic County.” He graduated from Harvard College magna cum laude in 1956. He then attended Harvard Law School.

Rise to Success

Steinberg began his career in 1960. He joined Alan V. Lowenstein as an associate attorney in Newark, NJ. He started working for Jefferies Group in 1978. In 1979, he became the President of Leucadia National Corporation, an investment firm, and served in that role until 2013. During his time at Leucadia, the firm made numerous investments and was often compared to a mini-Berkshire Hathaway. He became Chairman of Jefferies Financial Group after a merger with Leucadia in 2013.

Key Business Strategies

Steinberg’s strategy involved finding undervalued assets, acquiring them, and optimizing their value. He was known for his attention to detail and negotiation skills. He is the largest shareholder of Jefferies, with a stake of approximately 10%.

Philanthropy

Since 2015, Joseph and his wife Diane have donated over $15 million through their charitable trust to museums, colleges, and community centers.

Career Milestones

1956

Graduated Magna Cum Laude from Harvard College

Received many accolades including Phi Beta Kappa, the Joseph Bonaparte Prize in Government, and the John Harvard Scholarship.

1979

President of Leucadia National Corporation

Served as President of Leucadia National Corporation until 2013.

2013

Chairman of Jefferies Financial Group

Became Chairman after the merger of Jefferies and Leucadia.

Philanthropy & Social Impact

Education, Arts & Culture

Donations through Charitable Trust

$15M+

Joseph and his wife Diane have donated over $15 million since 2015 through their charitable trust to museums, colleges, and community centers.