105 ILCS 5/34A-302
Of the initial Directors appointed by the Governor, with the approval of the Mayor, one each shall be selected for terms expiring on January 31, 1981 and January 31, 1982. Of the initial Directors appointed by the Mayor with the approval of the Governor, one each shall be selected for terms expiring on January 31, 1981 and January 31, 1982. The initial Chairman shall be selected for a term expiring January 31, 1983. Thereafter, each Director shall hold office for a term of 3 years, and until his successor has been appointed as provided in Section 34A-301. Any vacancy which shall arise, shall be filled as provided in Section 34A-301. Any Director appointed to fill a vacancy shall serve until the expiration of his predecessor's term, and until his successor has been appointed as provided in Section 34A-301. A vacancy shall occur upon resignation, death, conviction of a felony, or removal from office of a Director. Directors shall be eligible for reappointment. Any Director may be removed for incompetence, malfeasance or neglect of duty, at the instance of the occupant of the office entitled to appoint that Director, or in the case of the Chairman at the instance of the occupant of each office so entitled.
105 ILCS 5/34A-302