This report analyzes the implementation of operations management principles within TESCO Plc, a leading multinational retailer. It examines the effectiveness of lean principles and Six Sigma methodology in improving efficiency and quality. The report also includes a continuous improvement plan for TESCO Plc, focusing on enhancing customer satisfaction and brand image. Furthermore, it explores the application of project life cycle (PLC) methodologies, tools, and leadership in a project to expand TESCO's business in Romania. The report concludes by evaluating the effectiveness of PLC in achieving project goals and discusses relevant theories and models.