A professional who plans and administers program of library services. Responsibilities include:

• Submits recommendations on library policies and services to governing body, such as board of directors or board of trustees, and implements policy decisions.
• Analyzes, selects, and executes recommendations of personnel, such as department chiefs or branch supervisors.
• Coordinates activities of branch or departmental libraries.
• Analyzes and coordinates departmental budget estimates and controls expenditures to administer approved budget.
• Reviews and evaluates orders for books and audiovisual materials.
• Examines trade publications and materials, interviews publishers' representatives, and consults with others to select materials.
• Administers personnel regulations, interviews and appoints job applicants, rates staff performance, and promotes and discharges employees.
• Plans and conducts staff meetings and participates in community and professional meetings to discuss and act on library problems.
• Delivers book reviews and lectures to publicize library activities and services.
• Provides library public relations services.
• May examine and select materials to be discarded, repaired, or replaced.
• May be designated according to governmental subdivision served as City-Library Director; County-Library Director.