This report provides a comprehensive analysis of the human resources function within various organizations, examining HR delivery across different sectors and company sizes. It identifies key organizational objectives that HR is responsible for, such as HR administration, enhancing employee capabilities, and managing change, and explores how these objectives have evolved over time. The report also discusses significant methods for delivering HR objectives, including shared services and outsourcing. Furthermore, it evaluates the importance of managing HR in a professional, ethical, and just manner, and examines the application of change management models. The role of the HR function in organizational development is highlighted, along with HR practices that improve organizational performance and the impact of high-performance work and investment in human capital. The report concludes by emphasizing the vital role of HR in achieving organizational goals and objectives.