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Demand Planning

⬢ NIVÅ 2Domäner
Hög
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5 månader
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Svårighetsgrad
4
Karriärer
I korthet

Demand Planning uses statistical forecasting, ML models, and domain expertise to predict future customer orders, then optimizes procurement and production. It sits at the intersection of supply chain, finance, and operations. A 5% improvement in forecast accuracy saves 2-3% of revenue (reduced stockouts and overstock). Mastery takes 4-5 months. Professionals earn 20-30% premium because forecast errors cost companies millions in lost sales or inventory waste.

Vad är Demand Planning

Demand Planning is the practice of predicting customer orders and optimizing supply chain decisions based on those predictions. It combines forecasting (statistical models, ML), judgment (domain expertise, market signals), and planning (translating demand into procurement, production, and inventory targets). A demand planner works with sales teams (who understand market signals), operations (who build products), finance (who manages cash), and suppliers (who deliver materials). The outcome is a rolling forecast, a best-guess of what customers will order next 3-18 months, that drives procurement, hiring, production scheduling, and working capital planning.

🔧 VERKTYG & EKOSYSTEM
AnaplanSAP IBPBlue YonderDemand WorksPython/R for forecastingExcel scenario modelingARIMA/Prophet forecastingTime-series databases

💰 Lön per region

OmrådeNybörjareMidErfaren
USA$72k$125k$180k
UK£48k£80k£120k
EU€52k€85k€130k
CANADAC$75kC$130kC$190k

⚖ Jämför med

Inventory Optimization

❓ Vanliga frågor

What's the difference between demand planning and forecasting?
Forecasting predicts future demand (the numbers). Demand planning takes those forecasts and turns them into a supply chain plan (procurement, production, inventory targets). Forecasting is 50% of the job; the other 50% is translating forecast into action (what to order, when to make it).
How accurate should a forecast be?
Depends on the business. Fast-moving consumer goods (FMCG) target 85-90% (high volatility). Automotive targets 95%+ (longer lead times, lower tolerance for error). Your goal: better-than-naive (better than assuming next month = last month). 5% improvement over naive often wins you a promotion.
What happens when a forecast is wrong?
Too high: excess inventory (dead cash, write-offs). Too low: stockouts (lost sales, customer anger, expedited shipping). Both are expensive. The cost of a wrong forecast often exceeds the forecasting tool cost 100x. Hence, focus on **range** (confidence intervals) not just a point estimate.
When should I use statistical models vs human judgment?
Statistical: 80% of the time (daily, repeatable, low judgment needed). Human: when disruption likely (new competitor, product launch, supply shock). Seasonal promotions: blend both (model gives baseline, human adds lift %). Never pure model, never pure judgment.
How do I handle the bullwhip effect?
Bullwhip = small demand variance at customer becomes huge variance upstream (retailer → distributor → manufacturer). Caused by: long lead times, batch ordering, inaccurate forecast sharing. Fix: share POS (point-of-sale) data directly with suppliers, use collaborative forecasting, reduce lead times, smooth orders.
What's collaborative forecasting?
Retailer + supplier agree on a shared demand forecast instead of supplier guessing from retailer orders. Example: retailer plans a 20% promotion next month; supplier sees it in advance and ramps production (no stockout). CPFR (Collaborative Planning, Forecasting, Replenishment) is the standard.

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