Technological innovation has significantly reshaped the field of library and information science over recent decades. Changing patterns of information access and use have influenced all types of libraries, requiring institutions to redesign services and management practices. Academic libraries, in particular, have expanded and adapted their offerings to meet evolving user expectations and new forms of engagement with information resources. The growth of shared information systems has also introduced complex administrative challenges for library management. New services and infrastructures must operate effectively within both the internal organization of the library and its wider institutional environment. Issues such as budgeting, space planning, service promotion, and technology acquisition are often addressed collaboratively with other departments. At the center of these concerns, however, lies the effective management of human resources. As a service-based profession, libraries rely on skilled personnel to organize information and support users. The quality and sustainability of library services depend directly on the knowledge, commitment, and development of staff. Decisions related to recruitment, training, performance evaluation, and professional growth are therefore essential to successful library operations. This encyclopaedia explores major aspects of human resource management and staff development in libraries and serves as a valuable reference for students, practitioners, and scholars in library science and allied disciplines.