The Georgia Indigent Defense Council and the council's director shall be responsible for management of the office. Managerial duties shall include, but not be limited to, the following:

(1) Appointment of the multicounty public defender;

(2) Establishing the salaries of the multicounty public defender and the office's staff;

(3) Approving the level of staffing and establishing policy consistent with the intent of this article; and

(4) Preparing an annual budget for the office, and administering the funds made available to the office, and overseeing the expenditure of such funds.