This report provides a detailed analysis of the roles of leaders and managers in operations management. It explores key approaches such as Six Sigma and Lean methodologies, highlighting their impact on business objectives and decision-making processes. The report emphasizes the importance of operational management in achieving company goals, including improving productivity, reducing costs, and ensuring product quality. It discusses how leaders and managers contribute to these goals through effective planning, skilled employee management, and the creation of a supportive work environment. The study also touches upon the application of these principles in real-world scenarios, such as the conflict resolution strategy employed by Amazon, and the importance of leadership qualities like strong communication. The report also examines the impact of these approaches on leadership and management styles, providing insights into how they can be effectively implemented to drive organizational success. The report concludes by emphasizing the importance of continuous improvement and adaptability in operations management.