This essay delves into the complexities of organizational change management, examining the interplay of power dynamics, cultural influences, and leadership strategies. It begins by defining organizational change and its various drivers, including technological advancements, economic shifts, and consumer demands, while also acknowledging the impact of government policies and regulations. The essay then focuses on the critical roles of power and politics within organizations, highlighting the significance of positive power in boosting productivity and employee decision-making, as well as the importance of navigating workplace politics. It explores how different national cultures, particularly those of Singapore and Australia, influence the acceptance and application of power in change management, referencing Hofstede's cultural dimensions to illustrate these variations. The study analyzes the five bases of power established by French and Raven, including legitimate, reward, expert, referent, and coercive powers, and examines their positive and negative effects on the change management process. The essay further investigates the impact of Hofstede’s cultural dimensions on these powers and provides a comparative analysis of change management approaches in Singapore and Australia, considering factors such as power distance, individualism, masculinity, uncertainty avoidance, and long-term orientation. The work concludes by emphasizing the importance of aligning change initiatives with organizational and national cultures for effective and sustainable outcomes, particularly in the context of different cultural values.