Of the number of members appointed by the governor originally under this chapter, one-third (?) shall be appointed for a term of one year; one-third (?) shall be appointed for a term of two (2) years; and one-third (?) shall be appointed for a term of three (3) years. Thereafter, vacancies created by expiration of terms shall be filled with appointments for terms of three (3) years. Members whose terms expire may be reappointed to succeed themselves. The committee shall elect from its own membership a chairperson, vice chairperson, and other officers as deemed necessary annually. The committee may appoint such personnel as may be necessary for the efficient performance of the duties prescribed by this chapter.