A Siop (Sales, Inventory, and Operations Planning) Manager is responsible for overseeing the alignment of supply and demand within a company. They coordinate cross-functional teams to ensure production, inventory, and sales forecasts are optimized for efficiency and cost-effectiveness. Their role involves analyzing data, developing strategic plans, and improving processes to balance resources with customer demand. By maintaining clear communication between departments, a Siop Manager helps improve service levels, reduce excess inventory, and enhance overall operational performance.