The director may:

(1) Delegate any of his functions, powers and duties to employees of the department;

(2) Structure the department as may be required in order to carry out the purposes of sections 251.010 to 251.440 and any other duties as are assigned to the department;

(3) Appoint such advisory committees as may be required by various federal programs in order to carry out the purposes of sections 251.010 to 251.440.