Okla. Stat. tit. 59, § 1355

Each member of the State Board of Examiners of Psychologists shall be a citizen of the United States and a resident of this state. The members of the Board who are psychologists shall be licensed pursuant to the provisions of the Psychologists Licensing Act. Members of the Board may be reappointed for one four-year term. However, following the termination of a term of service on the Board a former member may be reappointed only after a period of years equal to or greater than the number of years of his or her previous service.