This report examines the dynamics of leading change within organizations, using Northgate Vehicle and Enterprise Rent-a-Car as case studies. It explores how changes impact organizational strategy and operations, and how internal and external drivers influence leadership, team, and individual behaviors. The report delves into the measures to mitigate negative impacts of change, the long-term implications of various drivers, and the barriers to change, including the influence on leadership decision-making using force field analysis. It also discusses diverse leadership approaches for managing change, evaluating their effectiveness through relevant models and frameworks. The report concludes with recommendations for planning and implementing change effectively, including the use of change impact analysis to achieve organizational objectives.