This study explores the intricate relationship between leadership and management within the context of operations management, using Tesco Plc as a case study. It delves into the distinct roles and functions of leaders and managers, examining how they navigate different situational contexts. The study analyzes key approaches to operations management adopted by Tesco, including Total Quality Management (TQM), Just-In-Time (JIT), and Lean Management, highlighting the importance of these approaches in achieving business objectives. Furthermore, the study investigates the impact of external factors, such as corporate social responsibility, sustainability, and stakeholder management, on operational decision-making. By examining the interplay between leadership and management, the study sheds light on how Tesco effectively manages its operations to achieve success in a dynamic business environment.