The Office of Human Resources Management of Prince George's County, Maryland, shall be headed by a Director of Human Resources Management. In addition to such responsibilities and duties as otherwise assigned in this Subtitle, the Director of Human Resources Management shall: Be responsible to the County Executive for the overall administration of the personnel system established by this Subtitle pursuant to Section 905 of Article IX of County Charter; Be responsible for insuring that the personnel requirements of all appointing authorities and supervisors are met on a continual and timely basis; Insure, to the extent provided under the provisions of this Subtitle, that the personnel system established by this Subtitle is administered within the various agencies, departments, and offices of County government in a manner which is consistent with and not in violation of, the provisions of this Subtitle; Recommend to the County Executive policies and procedures which are designed to advance the utilization of progressive human resources management techniques in the administration of the personnel system established by this Subtitle; Routinely evaluate the effectiveness of human resources management practices within and among the various agencies, departments and offices of County government and recommend improvements therein to the County Executive; Recommend, on a timely basis, to the County Executive for submission to the County Council, proposed legislation to amend the provisions of this Subtitle as necessary in order to refine, update, and expand the personnel system established by this Subtitle; Develop personnel procedures; however, the County Council may implement personnel procedures which govern employees of the Legislative Branch; Provide, on a timely basis to the County Executive for submission to the County Council, updated class specifications and salary schedules; Conduct the full range of human resources management and labor relations functions as required in order to properly implement and maintain the personnel and labor relations system established by this Subtitle with authority to delegate, in writing, such functions to agencies, departments, and offices of County government, provided that: No such delegation shall vest with any agency, department, or office the authority to approve any human resources action which, under the provisions of this Subtitle, requires the approval of the Director of Human Resources Management, or the County Executive or the County Executive's designee; and, Appropriate personnel procedures shall be developed, approved and issued at or before the effective date of any such delegation to insure that the agency, department, or office administers said personnel function or functions in accordance with the provisions of this Subtitle; and, Encourage employee participation in wellness and recreation programs; Establish appropriate programs for the employment of persons with disabilities, students, trainees, interns, and similarly situated persons to occupy County positions; Represent the County Executive in all labor relations matters, including the negotiation of collective bargaining agreements, representation, and unfair labor practice proceedings, and arbitration hearings.