Billionaire Profile
Dirk Ziff
Global Rank
#533

Image: Unknown Author | Public domain | via Wikimedia Commons

Dirk Ziff

CEO, Ziff Capital Partners
UNITED STATES
Real-Time Net Worth
$7.189B
Estimated based on Ziff Capital Partners stock value as of March 6, 2026
0% (24h)
Age
61
Source
Investments
Industry
finance-investments
Citizenship
UNITED STATES

Biography

Dirk Ziff is an American businessman and investor, known for his significant wealth derived from investments. Born in 1965, Ziff is the son of William Bernard Ziff Jr., who sold the Ziff-Davis publishing empire in 1994. After inheriting a fortune with his brothers, Dirk co-founded Ziff Brothers Investments, a family office that invested across various asset classes. Ziff earned a Bachelor of Arts from Columbia University and an MBA from Harvard University. He is also involved in philanthropy, with his family supporting various causes through The Natasha And Dirk Ziff Foundation.

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

Wealth Over Time

In-Depth Profile

Early Life and Education

Dirk Edward Ziff was born in 1965. He is the eldest son of William Bernard Ziff Jr., a media magnate, and grandson of William Bernard Ziff Sr., the founder of Ziff-Davis, a publishing company that produced magazines such as PC Magazine and Car and Driver. Dirk Ziff graduated from Trinity School in New York City, later earning a Bachelor of Arts from Columbia University and an MBA from Harvard University.

Rise to Success

In 1994, after his father sold the Ziff-Davis publishing empire, Dirk Ziff and his brothers inherited a significant fortune. They established Ziff Brothers Investments, a family office, which invested across equities, debt, real estate, commodities, private equity, and hedge funds. Through Ziff Brothers Investments, the family expanded its wealth. Dirk Ziff formed his own family office, Ziff Capital Partners, in 2015.

Key Business Strategies

The key business strategy employed by Dirk Ziff has been to invest in a diversified portfolio of assets through Ziff Brothers Investments and, later, Ziff Capital Partners. The family office also provided seed money to Daniel Och for Och-Ziff Capital Management. The brothers dissolved Ziff Brothers Investments in 2014 and now invest independently.

Philanthropy

Dirk Ziff has been involved in philanthropy through the Natasha and Dirk Ziff Foundation. The foundation supports various causes, including wildlife conservation and ocean research. Notable grants in 2024 included $500,000 to the Wildlife Conservation Society.

Career Milestones

1994

Inherited Family Fortune

Dirk Ziff and his brothers inherited a fortune after their father sold the Ziff-Davis publishing empire.

1992

Founded Ziff Brothers Investments

Co-founded Ziff Brothers Investments with his brothers.

2014

Ziff Brothers Investments Closed

Ziff Brothers Investments' hedge fund ceased operations and Dirk began investing independently.

2015

Founded Ziff Capital Partners

Formed his own family office, Ziff Capital Partners.

2013

World Surf League Acquisition

Acquired the Association of Surfing Professionals (now World Surf League) through ZoSea.

Philanthropy & Social Impact

Conservation

Wildlife Conservation Society

$0.5B

General Support

Education

WSL PURE

$1.6M

Support partnership with Columbia University's ocean research and education programs

Controversies & Challenges

2017

Resigned from The Weinstein Company Board

Resigned from the board of The Weinstein Company amidst allegations of sexual assault.