This report explores the distinct roles and characteristics of leaders and managers within the context of operations management. It examines how leadership styles, such as situational leadership, systems leadership, and contingency theory, influence organizational effectiveness. The report also delves into key operations management approaches, including business process re-engineering (BPR) and lean manufacturing, highlighting their impact on achieving business objectives. Furthermore, it analyzes various environmental factors that impact operational management and decision-making by leaders and managers, including organizational culture, labor efficiency, technological changes, and social responsibility issues.