This report provides a comprehensive analysis of leadership and management practices within Marks and Spencer (M&S). It begins by differentiating between the roles and characteristics of leaders and managers, highlighting their functions in planning, organizing, leading, and controlling. The report then examines how leaders and managers function in different situations, including stable, fast-changing, and slow-moderate environments, and during workplace conflicts. It explores various leadership styles, such as directive, supportive, participative, and achievement-oriented styles, and discusses different leadership approaches, including contingency, situational, and system leadership styles. Furthermore, the report delves into key approaches to operation management, such as Six Sigma, TQM, and Just-in-Time inventory, emphasizing their importance in achieving organizational goals. The report also discusses factors impacting operational management and decision-making, and the application of HRM practices. Overall, the report offers valuable insights into the leadership and management strategies employed by M&S to enhance its performance and achieve its objectives.