This report provides an overview of change management, emphasizing its importance in organizational transformation and adaptation to current and future scenarios. It discusses change management theories, notably Lewin's Change Management Model (Unfreeze, Change, Freeze), and highlights the pivotal role of Human Resources in understanding, planning, implementing, and communicating changes throughout the organization. The report identifies various types of changes, including organizational-wide, transformational, personnel, unplanned, and remedial changes. It underscores the strong relationship between organizational design and change management, using Marks and Spencer as an example, and offers recommendations for effective communication and employee involvement during change implementation. The report concludes that HR is crucial for business growth and success, and a well-defined organizational design clarifies roles and responsibilities, contributing to overall productivity. Desklib provides access to similar solved assignments and resources for students.