BillionaireNet
Dinan
James Dinan
Rank #1800
UNITED STATESFinance & InvestmentsHedge funds

James Dinan

Net Worth
$2.194B
0% (24h)
James Dinan is an American investor and philanthropist, best known for founding York Capital Management in 1991. Dinan, with a current net worth of $2.2 billion, made his fortune in the hedge fund industry. His career includes pivotal roles at Donaldson, Lufkin & Jenrette and Kellner DiLeo & Company before founding York Capital, achieving a 33.8% return in 1993. Dinan is also known for his philanthropic endeavors and has made significant donations to various organizations, including the Museum of the City of New York.

The Full Dossier

Early Life

James Gerard Dinan was born in Baltimore, Maryland, in 1959. He graduated from the Wharton School of the University of Pennsylvania with a degree in economics in 1981 and later earned an MBA from Harvard University in 1985. Dinan is known for his philanthropic efforts and has made significant donations to various organizations.

Rise to Success

Dinan's career began at Donaldson, Lufkin & Jenrette. In 1991, he founded York Capital Management with $3.6 million, and the firm quickly achieved considerable success, including a 33.8% return in 1993. By 2018, York Capital Management had over $20 billion in assets under management. Dinan sold 33% of York Capital to Credit Suisse in 2010.

Key Business Strategies

York Capital Management employed event-driven investment strategies and focused on distressed securities. Dinan's approach involved identifying mispriced risks and capitalizing on market catalysts. He is known for his disciplined, research-driven approach. In 2014 Dinan purchased a minority stake in the NBA's Milwaukee Bucks, alongside fellow finance tycoons Marc Lasry and Wes Edens.

Philanthropy

Dinan is actively involved in philanthropy, with his foundation contributing to education, arts & culture, and health initiatives. In 2024, after a large donation by Dinan to the University of Pennsylvania, his alma mater, Henry T. Vance Hall or simply Vance Hall, a major building within the Wharton Business School campus footprint was renamed Dinan Hall. Dinan's family foundation reported $12.3M revenue in 2024.

Career Timeline

2024

Dinan Hall at UPenn

Henry T. Vance Hall at the Wharton School renamed Dinan Hall.

2014

Purchased Stake in Milwaukee Bucks

Purchased a minority stake in the NBA's Milwaukee Bucks.

2010

Sold Stake in York Capital

Sold a 33% stake in York Capital to Credit Suisse for $425 million.

1993

Achieved 33.8% Return

York Capital achieved a 33.8% return in its early years, establishing its credibility.

1991

Founded York Capital Management

Established York Capital Management, growing it into a successful hedge fund.

1985

Earned MBA from Harvard University

Completed a Master of Business Administration.

1981

Graduated from the Wharton School

Earned a degree in economics from the University of Pennsylvania.

Philanthropic Impact

Education, Arts & Culture, HealthUndisclosed

Dinan Family Foundation

Supports education, arts & culture, athletics, and health initiatives.

Arts & Culture$1M

Museum of the City of New York

Donated to the Museum of the City of New York.

Wealth Trajectory