This report evaluates the role of Human Resource Management (HRM) in contributing to the organizational success of RHP, a non-profit company providing affordable housing. It examines the importance of organizational design theory, applying classical and neoclassical perspectives to RHP's structure. The report analyzes various approaches and techniques for employee motivation, human capital development, and knowledge management, aiming to create a skilled and dedicated workforce. Recommendations are provided for improving sustainable performance, along with insights into emerging HR developments and their potential impact on the HR function. Furthermore, the report assesses how organizational design adapts to change management, exploring the relationship between the two within RHP's context, highlighting the importance of effective HRM practices in achieving organizational objectives and ensuring long-term sustainability.