Billionaire Profile
Dirk Ziff
Global Rank
#528

Image: Public domain | via Wikimedia Commons

Dirk Ziff

CEO, Ziff Capital Partners
US
Real-Time Net Worth
$7.2B
As of December 2025
Age
61
Source
Investments
Industry
finance-investments
Citizenship
US

Biography

Dirk Ziff, born in 1965, is an American billionaire investor and media heir. He is primarily known for his wealth, which stems from investments. He is the eldest son of William Bernard Ziff Jr., who sold the Ziff-Davis publishing empire in 1994. Dirk, along with his brothers, inherited the family fortune and formed Ziff Brothers Investments, a firm that invested in various assets. He holds a Bachelor of Arts from Columbia University and an MBA from Harvard University. Dirk currently resides in North Palm Beach, Florida and has two children.

Wealth Over Time

In-Depth Profile

Early Life

Dirk Edward Ziff was born in 1965. His mother was Barbara Ingrid Beitz. His father was William Bernard Ziff Jr., a media magnate who built the Ziff-Davis magazine empire, which included publications like PC Magazine and Car and Driver. Dirk graduated from the Trinity School in New York City and later earned a Bachelor of Arts from Columbia University and an MBA from Harvard University.

Rise to Success

In 1994, Dirk and his brothers inherited the family fortune after their father sold 95% of the Ziff-Davis magazine empire for $1.4 billion. They subsequently formed Ziff Brothers Investments, a New York City-based investment firm. The firm invested in various asset classes, including equities, debt, real estate, commodities, private equity, and hedge funds. A notable investment was providing seed money to Daniel Och for a 10% stake in Och-Ziff Capital Management, which went public in 2007. In 2014, Dirk established his own family office, Ziff Capital Partners.

Key Business Strategies

Dirk Ziff's business strategy has focused on investment diversification and strategic partnerships. Through Ziff Brothers Investments, he and his brothers invested across multiple asset classes to mitigate risk and maximize returns. The firm's early investment in Och-Ziff Capital Management demonstrates a strategy of identifying and supporting promising financial managers. Ziff's more recent establishment of Ziff Capital Partners reflects a shift towards independent investment management, allowing for greater control and focus.

Philanthropy

Dirk Ziff has been involved in several philanthropic endeavors. He served as a founding board member of the Robin Hood Foundation in 2006. In 2018, Dirk and Daniel Ziff donated $2 million to the Center for Climate and Life, a research initiative at Columbia's Lamont–Doherty Earth Observatory.

Career Milestones

1994

Inherited Family Fortune

Inherited the family fortune after the sale of Ziff-Davis publishing empire for $1.4 billion.

1992

Founded Ziff Brothers Investments

Co-founded Ziff Brothers Investments, a family office for investment purposes.

2006

Robin Hood Foundation

Served as a founding board member of the Robin Hood Foundation.

2013

World Surf League

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

2015

Ziff Capital Partners

Formed his own family office, Ziff Capital Partners.

Philanthropy & Social Impact

Poverty Alleviation

Robin Hood Foundation

Undisclosed

Founding board member, contributing to poverty alleviation efforts in New York City.

Environmental Conservation

Center for Climate and Life

$2M

Donated to the Center for Climate and Life, a research initiative at Columbia's Lamont–Doherty Earth Observatory.

Controversies & Challenges

2017

Weinstein Company Board Resignation

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