(i) a secretary, who shall serve as executive director; and

(ii) technical experts and other officers, agents, and employees, permanent and temporary.

(2) An authority shall determine the qualifications, duties, and compensation of its employees.

(b) For legal services, an authority may use the chief law officer of the political subdivision or may employ its own counsel and legal staff.

(c) An authority may delegate to one or more of its agents or employees the powers or duties it considers proper.