This report explores the distinct roles and responsibilities of leaders and managers within an organizational context, focusing on their impact on operational efficiency and business objectives. It examines various leadership and management theories, including contingency, situational, and system leadership, and analyzes their strengths and weaknesses in different workplace scenarios. The report also delves into the importance of operations management, highlighting key approaches and the role of leaders and managers in optimizing supply chain management, inventory control, and scheduling. Furthermore, it assesses the influence of external factors, such as political, economic, social, and technological forces, on the business environment and decision-making processes of leaders and managers. Through a critical evaluation of these factors, the report provides insights into the dynamic relationship between leadership and management in contemporary business environments.