In Operations Management, various theories underpin the optimization of processes to enhance efficiency and productivity. One fundamental theory is Operations Strategy, which aligns business goals with operational capabilities. Through Capacity Planning theory, firms balance demand and capacity to optimize resource utilization. Inventory Management theories, like Just-in-Time and EOQ, aim to minimize inventory costs while ensuring adequate stock levels. Quality Management theories such as Total Quality Management and Six Sigma focus on continuous improvement and defect reduction. Supply Chain Management theories emphasize coordination among suppliers, manufacturers, and distributors for seamless operations. These theories collectively form the backbone of Operations Management, driving organizational success and competitiveness.