Billionaire Profile
Robert Ziff
Global Rank
#528

Image: Public domain | via Wikimedia Commons

Robert Ziff

CEO, Ziff Brothers Investments
US
Real-Time Net Worth
$7.2B
As of December 2025
Age
59
Source
Investments
Industry
finance-investments
Citizenship
US

Biography

Robert Ziff, an American investor and the middle son of publishing magnate William Bernard Ziff Jr., has a net worth of $7.2 billion as of December 2024. His wealth stems from investments managed through Ziff Brothers Investments, a family office established after inheriting the Ziff-Davis publishing fortune. Ziff, who graduated from Harvard University and Cornell Law School, is known for his strategic approach to investments and commitment to philanthropy. He is married and has twin sons.

Wealth Over Time

In-Depth Profile

Early Life

Robert D. Ziff was born in 1967. His mother, Barbara Ingrid Beitz, had parents recognized for helping Jews during World War II. His father, William Bernard Ziff Jr., was a media magnate who built the Ziff-Davis publishing empire. Ziff studied electrical and computer engineering at Harvard University, graduating magna cum laude. He then graduated first in his class from Cornell Law School in 1992 and served as editor of the Cornell Law Review.

Rise to Success

In 1994, Robert and his brothers inherited the family fortune after their father sold Ziff-Davis for $1.4 billion. They established Ziff Brothers Investments in New York City, which became a successful family office specializing in hedge funds, private equity, and other investments. Under Robert's guidance, the firm employed a long-term investment strategy. In 2014, the firm transitioned, deciding to allocate capital to external managers.

Key Business Strategies

Ziff's approach to investing is characterized by meticulous research, a long-term vision, and a commitment to excellence. He is known for his ability to adapt to changing market dynamics. He is recognized for his methodical and patient approach to investing, which has allowed Ziff Brothers Investments to thrive in volatile markets.

Philanthropy

Robert Ziff is committed to philanthropy and has donated to education, healthcare, and environmental conservation. He established the Robert D. Ziff Professorship of Law at Cornell Law School in 2008 and endowed the Robert B. Kent Public Interest Fund at Cornell in 2017.

Career Milestones

1992

Graduated first in class from Cornell Law School

Served as editor of the Cornell Law Review.

1994

Inherited Family Fortune

Formed Ziff Brothers Investments.

2008

Established Robert D. Ziff Professorship of Law

Established at Cornell Law School.

2014

Ziff Brothers Investments ceased operations

Brothers now invest independently.

Philanthropy & Social Impact

Education

Harvard University Men's Hockey Program

$2M

Donated to the program in 1998.

Education

Robert B. Kent Public Interest Fund

Unknown

Endowed the fund in 2017 at Cornell.