LeaderPortfolio
Kaiser
George Kaiser
Rank #184
UNITED STATESEnergyOil & gas, banking

George Kaiser

Net Worth
$15.766B
+0.46% (24h)
George Kaiser, born July 29, 1942, is an American billionaire businessman. His wealth stems from oil and gas, as well as banking. He currently serves as the Chairman of BOK Financial Corporation. With an estimated net worth of $16.5 billion as of 2024, Kaiser has made significant contributions to philanthropy, particularly in the areas of early childhood education and poverty reduction through the George Kaiser Family Foundation. Kaiser's career includes transforming a small Tulsa oil company into a major energy and investments empire. His commitment to philanthropy is rooted in his belief in equal opportunity and his desire to give back to the community that welcomed his family after fleeing Nazi Germany.

How to read George Kaiser's profile

Public net-worth figures are estimates. They combine observable inputs—typically listed equity, disclosed transactions, and market prices—with editorial judgment where filings are incomplete (for example, private holdings, debt, or cross-holdings). For George Kaiser, we anchor the narrative to Oil & gas and Oil & gas, banking, then update the headline number as markets move. The chart on this page is meant to show trajectory, not a certified balance sheet.

When you see $15.766B alongside global rank #184, interpret it as our best synthesis of widely cited ownership and price signals—not a claim about cash on hand. Estimates can diverge from other publishers because of different treatment of options, trusts, charitable vehicles, or illiquid assets. We document the general approach in methodology and welcome corrections via corrections.

Country (UNITED STATES) and career milestones on this page are curated for reader context; they should be verified against primary sources when used for research. Editorial metadata for this profile is refreshed on a rolling basis, with deeper audits at least annually (last noted cycle: 2026).

Looking for depth? When available, the dossier and timeline sections below add long-form context beyond the headline number—prioritize those modules when evaluating claims about strategy, controversies, or philanthropic commitments.

The Full Dossier

Early Life

George Bruce Kaiser was born on July 29, 1942, in Tulsa, Oklahoma. His parents, Jewish refugees from Nazi Germany, settled in Tulsa after fleeing Europe. Kaiser attended Tulsa Central High School. He earned a B.A. from Harvard College in 1964 and an MBA from Harvard Business School in 1966. After graduating from Harvard Business School, Kaiser returned to Tulsa to work for his father.

Rise to Success

Kaiser's career began with Kaiser-Francis Oil Co., a small oil prospecting business founded by his family. He took control of the company in 1969 and expanded it into an international energy exploration company. In 1990, he acquired the struggling Bank of Oklahoma from the FDIC and expanded it from a 20-branch company to a multi-state financial institution now known as BOK Financial Corporation. His ownership in BOK Financial significantly boosted his net worth and brought him recognition on the Forbes 400 list.

Key Business Strategies

Kaiser's business strategies have focused on strategic acquisitions and expansion. He transformed the Bank of Oklahoma into a regional financial services powerhouse through savvy acquisitions and a focus on growing markets. He also established and expanded Kaiser-Francis Oil Co., making it a major player in the energy sector. Kaiser also founded Excelerate Energy, originating the floating LNG regasification business.

Philanthropy

Kaiser is well-known for his philanthropic endeavors, particularly through the George Kaiser Family Foundation (GKFF). His main philanthropic principle is creating equal opportunities for all, focusing on early childhood education, community well-being, and poverty reduction. He supports programs like Educare and has made significant contributions to the Tulsa Community Foundation. Kaiser is also a signatory of the Giving Pledge, committing to donate a significant portion of his wealth to charitable causes.

Career Timeline

1999

Founded George Kaiser Family Foundation

Established a foundation focused on childhood poverty and early education.

1990

Acquired Bank of Oklahoma

Purchased Bank of Oklahoma from FDIC, later becoming BOK Financial Corporation.

1969

President of Kaiser-Francis Oil

Took over the family oil business and expanded it.

Philanthropic Impact

Education and Community Development$2B+

George Kaiser Family Foundation

Focuses on early childhood education, community well-being, and poverty reduction.

Community DevelopmentUnknown

Tulsa Community Foundation

Largest contributor; supports various local initiatives

Key Business Ventures & Holdings

CompanyStakeValue
BOK Financial Corporation59.08%$4.5M
Excelerate Energy76.00%

Net Worth History

In-Depth Analysis

Early Life

George Bruce Kaiser was born on July 29, 1942, in Tulsa, Oklahoma. His parents, Jewish refugees from Nazi Germany, settled in Tulsa after fleeing Europe. Kaiser attended Tulsa Central High School. He earned a B.A. from Harvard College in 1964 and an MBA from Harvard Business School in 1966. After graduating from Harvard Business School, Kaiser returned to Tulsa to work for his father.

Rise to Success

Kaiser's career began with Kaiser-Francis Oil Co., a small oil prospecting business founded by his family. He took control of the company in 1969 and expanded it into an international energy exploration company. In 1990, he acquired the struggling Bank of Oklahoma from the FDIC and expanded it from a 20-branch company to a multi-state financial institution now known as BOK Financial Corporation. His ownership in BOK Financial significantly boosted his net worth and brought him recognition on the Forbes 400 list.

Key Business Strategies

Kaiser's business strategies have focused on strategic acquisitions and expansion. He transformed the Bank of Oklahoma into a regional financial services powerhouse through savvy acquisitions and a focus on growing markets. He also established and expanded Kaiser-Francis Oil Co., making it a major player in the energy sector. Kaiser also founded Excelerate Energy, originating the floating LNG regasification business.

Philanthropy

Kaiser is well-known for his philanthropic endeavors, particularly through the George Kaiser Family Foundation (GKFF). His main philanthropic principle is creating equal opportunities for all, focusing on early childhood education, community well-being, and poverty reduction. He supports programs like Educare and has made significant contributions to the Tulsa Community Foundation. Kaiser is also a signatory of the Giving Pledge, committing to donate a significant portion of his wealth to charitable causes.

Data Sources & Methodology

Figures for George Kaiser are synthesized from the sources below and cross-checked against our net worth methodology. Estimates may lag market moves; see corrections to report discrepancies.