Billionaire Profile
George Kaiser
Global Rank
#178

Image: Public domain | via Wikimedia Commons

George Kaiser

CEO, BOK Financial Corporation
US
Real-Time Net Worth
$14.7B
As of December 2025
Age
83
Source
Oil & gas, banking
Industry
energy
Citizenship
US

Biography

George Kaiser is an American billionaire businessman, best known for his investments in oil and gas, and banking. Born on July 29, 1942, Kaiser has dedicated his career to building and managing significant assets, including his role as the Chairman of BOK Financial Corporation. His wealth stems from his control of Kaiser-Francis Oil Company and his strategic acquisition and expansion of the Bank of Oklahoma. Beyond his business acumen, Kaiser is recognized for his significant philanthropic efforts, particularly through the George Kaiser Family Foundation, which focuses on early childhood education and community development. Kaiser's estimated net worth is $14.7 billion as of 2024, reflecting his success in the energy and financial sectors. His philanthropic commitment through the Giving Pledge demonstrates his dedication to addressing societal inequalities.

Wealth Over Time

In-Depth Profile

Early Life

George Bruce Kaiser was born on July 29, 1942, in Tulsa, Oklahoma. His parents were Jewish refugees who fled Nazi Germany and settled in Tulsa. Kaiser attended Central High School in Tulsa and went on to earn a B.A. from Harvard College in 1964 and an MBA from Harvard Business School in 1966.

Rise to Success

Kaiser's career began in 1966 when he returned to Tulsa to work for his father. In 1969, he took control of Kaiser-Francis Oil Company. Under his leadership, the company grew to become a significant player in the energy sector. In 1990, Kaiser purchased the Bank of Oklahoma (BOK) out of receivership and expanded it significantly. He currently owns 53% of BOK Financial.

Key Business Strategies

Kaiser's business strategies include expanding his business interests, strategic acquisitions, and philanthropic ventures. He transformed Kaiser-Francis Oil into a major energy exploration company and BOK Financial into a major financial institution with operations across multiple states. His ownership of BOK Financial has been a key factor in his financial success.

Philanthropy

Kaiser is known for his significant philanthropic endeavors. He founded the George Kaiser Family Foundation (GKFF) in 1999, which focuses on early childhood education, community development, and addressing intergenerational poverty. He is also a signatory of the Giving Pledge, committing to donate a significant portion of his wealth to charitable causes. The GKFF has played a crucial role in the creation of Tulsa's "A Gathering Place," the largest privately funded park project in the United States. Kaiser has also been a major benefactor to the Jewish community in Oklahoma.

Career Milestones

1969

Took Control of Kaiser-Francis Oil Company

George Kaiser took control of Kaiser-Francis Oil Company and transformed it into a significant energy exploration company.

1990

Purchased Bank of Oklahoma

Kaiser acquired Bank of Oklahoma, expanding its operations significantly.

1999

Founded George Kaiser Family Foundation

Established the foundation to focus on early childhood education and community development.

2010

Signed the Giving Pledge

Committed to donating a significant portion of his wealth to charitable causes.

Philanthropy & Social Impact

Education and Community Development

George Kaiser Family Foundation

$4.7B

Focuses on early childhood education, community development, and addressing intergenerational poverty.

Community Development

A Gathering Place

$0.35B

Contributed to the creation of Tulsa's A Gathering Place, the largest privately funded park project in the United States.

Healthcare

University of Oklahoma School of Community Medicine

$0.062B

Donated to create a School of Community Medicine at the University of Oklahoma's Tulsa campus.

Business Philosophy & Leadership

Notable Quotes

"Those who have won the ovarian lottery by being born in an advanced society to loving parents have a special obligation to help restore the American Dream."

Leadership Principles

Creating equal opportunity

A central principle in Kaiser's philanthropy, focusing on helping those who are left behind by the "accident of birth".

Evidence-based research

Kaiser's philanthropic strategy hinges on analysis and evidence-based research to build a community where all children can thrive.

Controversies & Challenges

2011

Solyndra Controversy

Kaiser's investment in Solyndra, a solar energy company that went bankrupt, faced scrutiny. The company received federal loans and the foundation invested in the venture.

2005

Tax Avoidance Criticism

Kaiser faced criticism for engaging in substantial lawful tax avoidance.