The director shall:
(1) Represent the public interest in the improvement of human resources administration in the civil service;
(2) Assist in fostering the interest of institutions of learning and civic, professional, and employee organizations in the improvement of human resources standards in civil service;
(3) Advise the chief executive on policies and problems concerning the human resources program; and
(4) Make investigations concerning the administration of human resources policies in the civil service, including any matter respecting the enforcement or effect of this chapter or the rules adopted thereunder, or the action or failure to act of any officer or employee with respect thereto.