The chapter provides an overview of human resource management. It defines HRM and describes the major functions including planning, recruitment, development, compensation, and employee relations. It discusses who performs HR functions, such as operating managers, generalists, and specialists. The chapter outlines challenges for today's HR managers like managing diversity, regulatory changes, and technological advances. It emphasizes the importance of HR managers understanding business strategy and metrics to improve organizational performance. Finally, it provides guidelines for effectively communicating HR programs.