This report provides a detailed analysis of Marks & Spencer's strategic management, focusing on the contributions of Steve Rowe and Archie Norman. It examines the methods of development employed, including the Ansoff Matrix, delayering, and market penetration strategies. The report explores Steve Rowe's transformational and situational leadership styles, as well as the change management models implemented, such as the Change Kaleidoscope and Kotter's eight-step model. Furthermore, it delves into Marks & Spencer's future sustainability strategy, outlining key objectives and initiatives for 2025. The analysis highlights the importance of adapting to market changes, improving product quality, and engaging with digital platforms to maintain a strong position in the retail industry. The report also discusses the impact of strategic changes on the company's structure and policies, and the role of transformational leadership in driving organizational success.