Biography
George Kaiser is among the world's most closely watched billionaires from UNITED STATES, with an estimated fortune of $16B. The bulk of George Kaiser's wealth comes from Oil & gas, banking, closely tied to Oil & gas. 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. Key career milestones include President of Kaiser-Francis Oil (1969); Acquired Bank of Oklahoma (1990); Founded George Kaiser Family Foundation (1999). This profile documents verified holdings, career milestones, and multi-year net worth history drawn from Forbes rankings, company filings where available, and our editorial methodology. Readers use it to understand how public markets, private company stakes, and major business bets shape one of the largest personal fortunes on record. Wealth estimates move with stock prices, funding rounds, and disclosed transactions—figures on this page are research estimates, not cash balances. We publish year-by-year net worth history when verified data exists, link to primary sources, and update profiles when Forbes Real-Time Billionaires or major filings change the picture materially. For investors and researchers, the most useful reading pairs the headline number with ownership structure, geography, sector exposure, and the multi-year history chart on this page—especially during volatile markets when single-day moves can shift rankings without any operational change at the underlying companies.