by Marcia Williams | Sep 11, 2025 | Inventory
We live and die by inventory in supply chain. Success depends on how we manage inventory. Failure depends on inventory too. Of course, there are factors that you cannot control. Supplier delays. Sudden market shifts. Competitors’ moves. Don’t waste energy there. Focus...
by Marcia Williams | Aug 31, 2025 | Excel
There is no time for mistakes in supply chain planning. Excel can be a good friend to improve productivity and save hours of manual work. I recently shared on LinkedIn an infographic with simple Excel formulas to use in supply chain. In this article, I go a step...
by Marcia Williams | Aug 25, 2025 | Excel
Excel is here to stay. This applies to demand and supply planning and to the whole supply chain. There is a constant battle with messy data. Multiple formats. Conflicting inputs. Complex requirements. Excel formulas can solve the recurring headaches that slow planners...
by Marcia Williams | Aug 20, 2025 | Sales and Operations Planning (S&OP)
Bad forecasts. Cocoa price spikes. Packaging shortages. Co-man downtime. So many other bad things can happen. Scenario planning allows companies to be more prepared. From “we didn’t see it coming” to “we had a playbook.” In this article, I cover the following: Why...
by Marcia Williams | Aug 10, 2025 | Demand Planning
If you’ve ever walked into your favorite coffee shop craving an iced latte in a hot summer day, only to hear, “Sorry, we’re out of ice and oat milk”, you’ve experienced a bad forecast from the consumer side. From the company perspective, that same bad forecast means:...