This report provides a comprehensive analysis of operational management and leadership within Tesco plc ltd. It begins with an introduction to the roles of leaders and managers in various organizational contexts, emphasizing their importance in planning, organizing, staffing, directing, coordinating, and controlling. The report then delves into the application of different leadership and management theories, including situational leadership, systems leadership, management by objective, and contingency leadership, assessing their strengths and weaknesses within the Tesco context. Key approaches to operational management such as Six Sigma, Lean Production, Total Quality Management (TQM), and Just-in-Time inventory are examined, highlighting the roles of leaders and managers in their implementation. The report further evaluates how leaders and managers can improve operational efficiencies to meet business objectives, emphasizing the importance of operational management in achieving profit maximization and other organizational goals. Finally, it explores the impact of environmental factors on operational decision-making, providing insights into how Tesco adapts to its business environment.