This case study outlines the challenges faced by a large manufacturing and distribution enterprise in adapting to dynamic market demands, supply volatility, and rising inventory costs. The organization transitioned from outdated, manual planning processes to a more predictive and intelligent supply chain operation using SAP Integrated Business Planning (IBP). The study details the implementation of AI-powered demand forecasting, scenario-based analysis, and inventory optimization, which collectively improved demand forecast accuracy by 30% and reduced inventory carrying costs by 25%. Additionally, the integration of these technologies led to a 40% reduction in Sales & Operations Planning (S&OP) cycle times and enhanced organizational responsiveness to market changes. The case study emphasizes the importance of user empowerment through hands-on learning and change management to ensure successful adoption of new processes and technologies.