... forecasts from five different functional roles of Obermeyer might not help Wally to reach an optimal level of demand planning & forecasting. Instead of coming up with five individual forecasts and averaging out, it's a good approach to navigate and start the forecasting from the functional role closer to the retailer. Laura (marketing) should decide the demand for new styles, given the information and feedback from the Las Vegas tradeshows. Tom and Carylin (sales & customer service) will be able to evaluate the current sales being closer to the retailer and having the target sales figures for this year. Their forecasts can be taken as an input to Greg and Wendy (production role), who will be aware of the WIP, Production capacity constraints and warehouse inventory, they can create a aggregated forecasting model using demand planners, having the historical demand patterns, can tabulate a seasonal factors to come up with ...

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