This report delves into the realm of management operations, focusing on the distinct roles and characteristics of managers and leaders within an organization. The report begins by comparing managers and leaders, highlighting their similarities and differences, and then examines the functions of a manager, including planning, organizing, controlling, commanding, and coordinating, within the context of Marks and Spencer. The report proceeds to explore various leadership theories, such as situational and contingency theories, and their application in addressing organizational challenges. Furthermore, the report investigates key approaches to operation management, including just-in-time and total quality management, and their significance in enhancing product quality and customer satisfaction. The importance and values of operation management are also discussed, emphasizing its role in product positioning, resource optimization, and customer satisfaction. Finally, the report analyzes the impact of business environment factors, such as political, economic, social, and technological factors, on operational management and decision-making within a retail setting.