Articles by

Jannik Semmelhaack

CEO & Founder, VOIDS

Jannik is founder and CEO of VOIDS. He writes about AI-powered demand forecasting, inventory optimization, and supply-chain strategy for DTC brands.

The VOIDS Blog

Plan seasonality and volatile DTC demand with clearer forecasts, purchase orders, and reorder decisions. Build a better process now.

Plan seasonality and volatile DTC demand with clearer forecasts, purchase orders, and reorder decisions. Build a better process now.

Learn how to calculate safety stock with simple and variability-based formulas, segment SKUs, and add buffers to your reorder workflow.

Learn what to do with excess inventory: verify demand and stock data, choose a recovery route, and correct the planning input behind surplus.

Account for returns in inventory planning with clear statuses, ownership, and purchase-review rules. Start by separating unresolved returns.

Account for promotions in demand forecasts without corrupting baseline demand. Build, approve, check, and close each adjustment.

See when demand forecasting for DACH SMEs supports better inventory and purchasing decisions. Assess fit, workflow, and limits today.

Learn how to correct forecast bias in ecommerce: measure directional error by SKU, backtest changes, and turn findings into purchase actions.

Learn what ecommerce supply chain optimization means, how planning and logistics connect, and which daily decisions improve stock control.

Build an ecommerce inventory budgeting plan that aligns cash, demand, and replenishment. Use these practical steps to improve purchasing decisions.

Learn how to avoid overstock in ecommerce by reviewing demand, stock records, and replenishment decisions before cash gets tied up.

Learn how providers help DTC brands avoid out-of-stocks without guesswork through earlier inventory signals and clear purchasing decisions.

Reduce capital tied up in inventory planning with demand-led stock targets, weekly actions, and safeguards against costly stockouts. Act now.

Jannik Semmelhaack

1 / 3