Tennessee Code Title 41. Correctional Institutions and Inmates § 41-21-506

(a)(1) Persons selected as counselors shall be between twenty-five (25) years and fifty (50) years of age at the time of employment, hold bachelor degrees or the equivalent in psychology, sociology or other related fields and be fitted physically, mentally and morally to assume the duties of the positions.

(2) Counselors shall be selected because of strong qualifications as to character, ability and training, and primarily with regard to their capacity for influencing human behavior. They shall be persons likely to exercise firm and helpful influences on persons placed in their charge.