Mr. Frank X. "Frazier" Henke, IV presently serves as President, CEO and Director of the American Bank & Trust Company in Tulsa, Oklahoma. His leadership efforts are focused primarily on corporate strategy and business development. Henke joined the bank in 1999.

Mr. Henke also serves as Chairman of the Oklahoma Bankers Association (OBA) and as President of the Indian Nations Council of the Boy Scouts of America. Other current activities include serving as a director of Oklahoma’s largest state based health insurance company, Community Care Managed Health Plans of Oklahoma, and on the boards of the Indian Nations Council of Government (INCOG), Tulsa Committee of 100, and the Tulsa County Sheriff’s Foundation.

Past activities include service on the boards of the City of Tulsa Board of Adjustment (Chairman 2005-2016), The Summit Corporation (President 2012-2013), Tulsa County Republican Party (Vice Chairman 2007-2009), Tulsa County Bar Association, Tulsa Opera, Child Abuse Network, and Oklahoma Blood Institute. Henke was also appointed in 2013 by Oklahoma Governor Mary Fallin to the Oklahoma Department of Corrections - Board of Corrections (DOC). In her appointment Fallin stated, "Frazier is an excellent manager who will help to ensure our prisons are well run and safe. His banking and fiscal expertise will also be great assets to the Corrections Department as it works to allocate its resources in the most efficient and effective manner possible.” In 2019 Henke became Chairman of DOC and oversaw the department’s half-billion dollar annual budget until his term ended.

Henke earned a bachelor's degree in political science from Northwestern University, a juris doctorate from the University of Tulsa College of Law and has received an AV Preeminent Rating from Martindale Hubbell.