This case study examines the operations and management practices of Tesco PLC, a leading retail supermarket chain. It explores various approaches to operations management employed by Tesco, including Six Sigma, Total Quality Management, Just-in-Time, Lean Manufacturing, Continuous Improvement, and Queuing Theory. The study also analyzes the role of leaders and managers in ensuring efficient operations and achieving organizational objectives. Furthermore, it highlights the contribution of operations management to Tesco's success in terms of effective supply chain management and customer satisfaction.