Billionaire Profile
William Koch
Global Rank
#1763

Image: Public domain | via Wikimedia Commons

William Koch

CEO, Oxbow Carbon LLC
US
Real-Time Net Worth
$2B
As of December 2025
Age
85
Source
Oil, investments
Industry
energy
Citizenship
US

Biography

William “Bill” Koch, born in 1940, is an American billionaire businessman, sailor, and art collector. His wealth originates from oil and investments. He is the founder and CEO of Oxbow Carbon LLC, the world's largest marketer of fuel-grade and calcined petroleum coke. He is also renowned for winning the America's Cup in 1992 with his yacht America3. With a background in chemical engineering from MIT, Koch’s career includes a significant role in Koch Industries and his later establishment of the Oxbow Group. He has been involved in philanthropy supporting education, arts, and medicine and continues to be a prominent figure in the business world.

Wealth Over Time

In-Depth Profile

Early Life

William Ingraham Koch, known as Bill Koch, was born on May 3, 1940, in Wichita, Kansas. He comes from a prominent family, with his father, Fred C. Koch, founding Koch Industries. Bill attended Culver Military Academy and later graduated from the Massachusetts Institute of Technology (MIT) with bachelor's, master's, and doctoral degrees in chemical engineering.

Rise to Success

Koch's career began in the family business, Koch Industries. However, after an unsuccessful attempt to take over the company, he was fired in 1980. In 1983, he sold his stake in Koch Industries. He then founded Oxbow Carbon LLC, an energy development holding company based in West Palm Beach, Florida. Oxbow Carbon has grown into a major player in the energy sector. Koch's business approach is based on his "T3" philosophy: teamwork, technology, and talent, which he credits with his success in the America's Cup.

Key Business Strategies

Oxbow Carbon LLC, under Koch's leadership, has become one of the world's largest recyclers of refinery and natural gas byproducts. The company focuses on the marketing and distribution of energy commodities, specializing in the global distribution of petroleum coke and coal. Koch's strategic vision and his emphasis on teamwork, technology, and talent have been instrumental in the company's expansion and market leadership.

Philanthropy

Bill Koch is also known for his philanthropic efforts, supporting various causes and organizations. He has made significant donations to environmental protection, political campaigns, and cultural institutions. He founded an innovative private high school (Oxbridge Academy) and has loaned his world-class art collection to museums around the globe.

Career Milestones

1968

Joined Koch Industries

William Koch joined his family's business, running the carbon trading group and the chemical and venture capital divisions.

1980

Fired from Koch Industries

After an unsuccessful attempt to take over from Charles Koch.

1983

Founded Oxbow Carbon LLC

After selling his stake in Koch Industries.

1992

Won America's Cup

Won the America's Cup with his yacht, America3.

Philanthropy & Social Impact

Education

William I. Koch Sea Scout Cup

Undisclosed

Funds the William I. Koch Sea Scout Cup, an international sailing competition for young sailors.

Medicine

Focused Ultrasound Foundation

Undisclosed

Supports the Focused Ultrasound Foundation.

Political

Political Campaigns

Undisclosed

Made significant donations to political campaigns.

Business Philosophy & Leadership

Leadership Principles

T3 Philosophy

Teamwork, technology, and talent. This approach of building employee participation, rewarding teamwork and relying on scientific research to take calculated risks has helped Oxbow Carbon to become a market leader.