This assignment explores the roles and characteristics of leaders and managers within Tesco, a leading UK retailer. It examines how leadership and management functions differ in various situational contexts, applying theories like situational leadership, systems leadership, and contingency. The assignment also delves into key approaches to operations management, including Six Sigma, TQM, Lean production, Kaizen, queuing theory, and JIT, highlighting their importance in achieving business objectives like increasing sales, surviving in a competitive market, and satisfying customers. Finally, the assignment analyzes external factors impacting operational management and decision-making, such as sustainability, corporate social responsibility, and stakeholder expectations.