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Courses · Business
Inventory & Demand Planner

Inventory & Demand Planner

Plan stock for a garden-furniture importer before its summer peak: find the bias in a forecast, keep a promotion out of the baseline, set safety stock and a reorder point, choose an order quantity against a container, and clear stock that is only costing money.
1.5 hrs taught · 4.5 to 8 hrs applied 7 modules 20 lessons 4 portfolio artifacts Completion certificate Updated September 2026
Created by the CertClue team
What you'll build

Real portfolio pieces built during the course, not a certificate for its own sake. Each one is work you can show.

  • Forecast accuracy reviewHow far each forecast was from what sold, whether the error was bias or bad luck, whether a simple method would have done better, what must stay out of the baseline, and how the forecast will be built from now on.
  • Reorder policy for a key lineSafety stock and the reorder point worked out from demand, variation, lead time and the service aim, what to do today, and the limits of the calculation in a seasonal business.
  • Excess stock recommendationWhat slow stock is really costing, the options with their numbers, the sunk cost set aside, and one clear recommendation with its deadline.
  • Summer planning packOne page for sales, finance and operations: how the forecast is changing and why, the stock rules and orders for key lines, the choice on service levels, and the decision the meeting must make.

What you'll learn

Planning, kept short
The job, decoded
A day in the seat
The rhythm of the job
Into the simulation: Wendlow's planning desk
Building the portfolio
What comes next

Course content · 7 modules, 20 lessons

Sign up to unlock every lesson - the titles below show exactly what is inside.

What a planner does, why a business holds stock at all, and how a forecast is built.

What an inventory and demand planner does
Demand, supply and why stock exists
Building a forecast

Requirements

  • No prior experience in this field is required to start.
  • A computer with a reliable internet connection.
  • Comfortable using a web browser - no software to install.

Description

Every CertClue course follows the same seven-part shape: fundamentals, the role translated out of job-posting language, a real working day, the job's recurring rhythms, a multi-day simulation, the portfolio you build along the way, and a handoff into your next move. Here is what that looks like for inventory & demand planner.

Who this course is for

Anyone aiming to become a inventory & demand planner, including career changers with no background in it yet. This is the entry rung of a realistic ladder:

entry
Inventory & Demand Planner

Forecasts demand, sets how much stock to hold and when to reorder, and keeps stock working for the business.

Forecast accuracy and biasSafety stock and reorder pointsOrder quantitiesExcess stock
mid
Supply Planner / S&OP Analyst

Balances demand against supply across the whole range and runs the monthly planning cycle with sales, finance and operations.

Sales and operations planningSupplier capacityScenario planningPlanning systems
senior
Head of Planning

Owns how the business plans demand and stock, and answers for service, stock value and cash tied up.

Planning strategyWorking capital targetsService and cost trade-offsLeading planners
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