This report delves into the distinct roles and characteristics of leaders and managers, comparing them within the context of Sainsbury's. It examines key management functions such as planning, organizing, and controlling, and contrasts them with leadership traits like motivation and influence. The report further analyzes various leadership theories, including trait theory and situational leadership, evaluating their strengths and weaknesses. The application of leadership and management in different situational contexts, such as conflict resolution and technology adoption, is also explored. Moreover, the report investigates the relationship between leadership and management in the context of operations management, assessing how leaders and managers can improve operational efficiencies to achieve business goals. Finally, the report analyzes how factors in the business environment impact operational management and decision-making, critically evaluating the application of operation management and factors which would impact on business environment. The report uses Sainsbury's as a key example throughout its analysis.