GEORGE B. KAISER - Corporate Board Profile

BOK FINANCIAL CORP

Filing Date	Source Excerpt
2019-03-15	Chairman of the Board and majority shareholder of BOK Financial and BOKF, NA; President, Chief Executive Officer, and principal owner of GBK Corporation, parent of Kaiser-Francis Oil Company (independent oil and gas exploration and production company).
2020-03-19	Chairman of the Board and majority shareholder of BOK Financial and BOKF, NA; President, Chief Executive Officer, and principal owner of GBK Corporation, parent of Kaiser-Francis Oil Company (independent oil and gas exploration and production company).
2021-03-25	Chairman of the Board and majority shareholder of BOK Financial Corporation and BOKF, NA; President, Chief Executive Officer, and principal owner of GBK Corporation, parent of Kaiser-Francis Oil Company (independent oil and gas exploration and production company); founder of Excelerate Energy and Argonaut Private Equity. Mr. Kaiser’s qualifications to sit on our Board of Directors include his four decades of executive leadership in the oil and gas industry, his broad perspective gained from involvement in diverse industries, his knowledge of our business, and his interest as the majority owner of our company.
2022-03-24	Chairman of the Board and majority shareholder of BOK Financial and BOKF, NA; President, Chief Executive Officer, and principal owner of GBK Corporation, parent of Kaiser-Francis Oil Company (independent oil and gas exploration and production company); founder of Excelerate Energy and Argonaut Private Equity.
2023-03-23	Chairman of the Board and majority shareholder of BOK Financial and BOKF, NA; President, Chief Executive Officer, and principal owner of GBK Corporation, parent of Kaiser-Francis Oil Company (independent oil and gas exploration and production company); founder of Excelerate Energy and Argonaut Private Equity. Mr. Kaiser’s qualifications to sit on our Board of Directors include his four decades of executive leadership in the oil and gas industry, his broad perspective gained from involvement in diverse industries, his knowledge of our business, and his interest as the majority owner of our Company.
2024-03-21	Chairman of the Board and majority shareholder of BOK Financial and BOKF, NA; President, Chief Executive Officer, and principal owner of GBK Corporation, parent of Kaiser-Francis Oil Company (independent oil and gas exploration and production company); founder of Excelerate Energy and Argonaut Private Equity. Mr. Kaiser’s qualifications to sit on our Board of Directors include his four decades of executive leadership in the oil and gas industry, his broad perspective gained from involvement in diverse industries, his knowledge of our business, and his interest as the majority owner of our Company.
2025-03-20	Chairman of the Board and majority shareholder of BOK Financial and BOKF; President, Chief Executive Officer, and principal owner of GBK Corporation, parent of Kaiser-Francis Oil Company (independent oil and gas exploration and production company); founder of Excelerate Energy and Argonaut Private Equity. Mr. Kaiser’s qualifications to sit on our Board of Directors include his four decades of executive leadership in the oil and gas industry, his broad perspective gained from involvement in diverse industries, his knowledge of our business, and his interest as the majority owner of our Company.

Data sourced from SEC filings. Last updated: 2025-08-30