This document provides a case study analysis on strategic management, focusing on the process used by organizations to determine their strategy, evaluation of critical models and tools used, and the importance of change management. The case study specifically examines Sainsbury's, the second largest chain of supermarkets in the UK. It includes a critical assessment of the strategy determination process, an evaluation of models and tools used, and an application of these tools to Sainsbury's. The document also discusses the importance of change management based on the complexity of the transformation process, its costs, risks, and sustainability.