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Supply chain, in plain language

Practical methods from forecasting, inventory management and S&OP — written for decision-makers in mid-sized companies, not for textbooks.

June 2, 2026 · 3 min read

S&OP for companies without an S&OP team

You do not need a planning department to run S&OP. A 90-minute monthly cadence, three types of decisions and one set of numbers — the mid-sized version of the process large companies live by.

s&opprocess

May 12, 2026 · 4 min read

Safety stock is a formula, not a feeling

Most safety stocks are historical guesses that only ever drift upward. The standard formula behind right-sized buffers, the two mistakes almost everyone makes, and a four-step fix.

inventorysafety stock

April 14, 2026 · 4 min read

Forecast accuracy: the KPI most mid-sized companies never measure

You cannot improve a forecast nobody grades. How to start measuring forecast quality with bias, weighted MAPE and forecast value added — in Excel, this month.

forecastingkpis

Michael Zemler

Demand forecasting, inventory optimization and S&OP for small and mid-sized companies.

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