Billionaire Profile
Robert Ziff
Global Rank
#536

Image: Ziff-Davis Publishing / unidentified staff artist | Public domain | via Wikimedia Commons

Robert Ziff

CEO, Ziff Brothers Investments
UNITED STATES
Real-Time Net Worth
$7.189B
Estimated based on Ziff Brothers Investments stock value as of April 20, 2026
0% (24h)
Age
59
Source
Investments
Industry
finance-investments
Citizenship
UNITED STATES

Biography

Robert Ziff is an American billionaire investor primarily known for his wealth stemming from investments. Born in 1967, he is the son of the late William Ziff Jr., who built and sold Ziff Davis publishing company. After inheriting the family fortune in 1994, Robert, along with his brothers Dirk and Daniel, formed Ziff Brothers Investments, a family office that initially invested in hedge funds and other ventures. His career highlights include graduating magna cum laude from Harvard University and earning a Juris Doctor degree from Cornell Law School, where he was at the top of his class. As of March 2026, Robert Ziff's net worth is estimated at $7.2 billion, reflecting his successful career in the finance and investment industry.

Fact Checked
Verified by Editorial Team
Live Data
Updated 4/20/2026

Wealth Over Time

In-Depth Profile

Early Life

Robert D. Ziff was born in 1967 in New York City. His parents were William Bernard Ziff Jr., a Jewish American media magnate, and Barbara Ingrid Beitz, a German whose family was recognized for helping save Jews during World War II.

Rise to Success

Robert Ziff's career began after he graduated from Harvard University with a degree in electrical and computer engineering, and then from Cornell Law School, where he was first in his class. He clerked for Chief Judge Monroe G. McKay. In 1994, Robert inherited a portion of his family's wealth after his father sold the Ziff-Davis publishing empire for $1.4 billion. Along with his brothers Dirk and Daniel, they formed Ziff Brothers Investments. The brothers' investments, including seed money for Och-Ziff Capital Management, significantly grew their fortune. The brothers decided to invest with former employees of their hedge funds after Ziff Brothers Investments ceased operations in 2014.

Key Business Strategies

The Ziff brothers, initially employing a consensus-driven investment approach, diversified their inherited wealth across various asset classes. This strategy included hedge funds, private equity, and other investments. Their early investment in Och-Ziff Capital Management, and their shift to independent investments after 2014, underscores their strategic evolution to maintain and grow their wealth.

Philanthropy

Robert Ziff supports philanthropy through the Robert D. Ziff Foundation. 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 from Cornell Law School

Graduated first in his class and served as editor of the Cornell Law Review.

1994

Inherited Family Fortune

Inherited wealth after the sale of Ziff-Davis Publishing by his father.

1994

Co-founded Ziff Brothers Investments

Formed a family office with his brothers to manage and grow their inherited assets.

2014

Ziff Brothers Investments ceased operations

The brothers started investing independently.

Philanthropy & Social Impact

Education

Robert D. Ziff Professorship of Law

$XB

Established at Cornell Law School.

Education

Robert B. Kent Public Interest Fund

$XB

Endowed at Cornell in honor of his law school professor.

Education

Donated to Harvard University

$2M

Donated $2 million to the Harvard University men's hockey program.

Controversies & Challenges

2011

Political Contributions

Made financial contributions to Republican legislators supportive of gay marriage.