Okla. Stat. tit. 57, § 506

Director - Qualifications - Appointment - Removal. There is hereby created the position of Director of Corrections. The Director shall be qualified for such position by character, knowledge, skill, ability, education, training and successful administrative experience and shall have five (5) years of professional level work. The Director of Corrections shall be appointed by the Governor with the advice and consent of the Senate and shall serve at the pleasure of the Governor and may be removed or replaced without cause. Compensation for the Director shall be determined by the Governor. The Director may be removed from office by a two-thirds (2/3) vote of the members elected to and constituting each chamber of the Legislature.