The aim of this standard work is to present operational human resource management based on scientific findings in a modern and practice-oriented manner. To this end, the necessary foundational knowledge is first provided, followed by an exploration of practical implementation possibilities for these findings. Thematically, the book covers not only the fundamentals of human resource management but also personnel performance provision, performance maintenance, performance enhancement, and the information systems of human resource management. Recent aspects of human resource work are highlighted, along with modern approaches for the future of human resource management. A critical examination of the applicability and the advantages and disadvantages of newer human resource management tools is emphasized. After each section, questions for review and deeper understanding are provided.