Author: Harpal Singh, ., CFPIM Company: Supply Chain Consultants, Inc. Email: hsingh@ Biography: Dr. Singh is a respected industry thought leader in the supply chain arena. His expertise spans the areas of implementing decision support systems, planning and scheduling, demand management, and inventory management. He has led management seminars and supply chain improvement projects globally. Dr. Singh received his . in Operations Research from Cornell University and began his career with DuPont. Harpal is largely responsible for initiating the use of expert systems at DuPont to facilitate advanced planning and scheduling. He left DuPont in 1993 and founded Supply Chain Consultants, Inc. (SCC). With locations globally, SCC provides solutions to business process needs in the area of supply chain planning including sales & operations planning, demand planning, production planning & scheduling, and inventory management. Collaborative Forecasting What is Collaborative Forecasting? Collaborative forecasting is the process for collecting and reconciling the information from diverse sources inside and outside pany, e up with a single unified statement of demand. It consists of four key elements: 1. Applying statistics and other algorithms to past data to recover relevant information. 2. Processes and systems to collect customer-level input routinely. In some businesses, this may be referred to as geographic information. 3. Processes to merge management overrides and inputs with the data collected at the customer level. 4. Processes to merge marketing input, which is usually product focused, with the sales view that is usually customer focused. The planning of resources to service the demand is usually not regarded as part of the forecasting process. However, it must be well integrated with the forecasting process for supply chain planning to function effectively. The Techn