This study examines the challenges faced by Marks & Spencer in navigating a period of significant change. It explores the impacts of change on organizational strategy and operations, identifies key drivers of change, and analyzes how barriers to change influence leadership decision-making. The study also applies a range of leadership approaches to the change initiative, drawing on theories such as the Hersey Blanchard Situational Leadership model and Kotter's 8-Step Model. Through a detailed analysis of Marks & Spencer's case, the study provides insights into the complexities of managing change within a large organization.