Jorge Sierra
Head of Marketing and Content, Celes
Jorge leads marketing and content at Celes and works hand in hand with the Sales and Customer Success teams, which accompany supermarket, pharmacy and specialty retail chains across Latin America as they implement demand forecasting, automatic replenishment and AI-driven purchasing. He writes about what those teams see in real operations: how a stockout is measured, what shrink hides, how safety stock is calculated and what changes when the forecast starts deciding every day, per SKU and store.
Articles by Jorge Sierra
- Demand Planning
Safety Stock: Formula, Calculation & Real Limits
Learn the safety stock formula, how to calculate it with a worked example, and why a single global buffer per category silently kills your service level.
16 min read - Demand Planning
S&OP: From Monthly Meeting to Profit Engine
S&OP done right aligns demand, supply, and finance into one number. See why most cycles break—and how AI execution turns the meeting into margin.
13 min read - Inventarios
Inventory Turnover Ratio: Formula, Benchmarks & Traps
Learn the inventory turnover ratio formula, calculate days inventory outstanding, and find out why high turnover with stockouts is silently killing your revenue
15 min read - Supply Chain
Supply Chain Software: Forecast or Profitability?
The supply chain software your competitors use optimizes forecasts. The one you need optimizes the capital locked up in inventory. A guide for VPs in 2026.
14 min read - Distribución
The Operational Cost That Never Shows Up in Any Report
Fill rate can sit at 94% and service level can be met week after week — but no one talks about the operational cost of producing that number.
5 min read - Demand Planning
Inventory Planning Software: Beyond the Forecast
Inventory planning software doesn't fail because of the forecast. It fails because no one measures trapped capital. See what changes when you do.
13 min read - Supply Chain
Distribution Resource Planning: Beyond the Forecast
Distribution resource planning is not a forecast problem — it's a trapped-capital problem. Learn how to measure it in dollars, not units.
14 min read - Demand Planning
How to Calculate Safety Stock in Mexico
Learn how to calculate safety stock in Mexico with formulas you can apply today: variable lead time, seasonality, and incomplete data. No enterprise software re
14 min read - Demand Planning
Stockout: What It Is and How to Measure It in Dollars
Learn what a stockout is, how to measure it with real formulas, and how to convert the data into dollars so it reaches the CFO — not just the warehouse.
14 min read - Demand Planning
Sales Forecasting with Incomplete Data: A Practical Guide
Got gaps in your historical data or less than 12 months of history? Learn real techniques for sales forecasting with incomplete data — no robust ERP required.
15 min read - Demand Planning
Mean Forecast: The Metric That Lies to You
Mean forecast averages out errors and hides trapped capital. Learn how to calculate it, when to use it, and why it's not enough to plan well on its own.
12 min read - Demand Planning
Demand Planning Software: Beyond the Forecast
Demand planning software isn't a forecast accuracy problem — it's a trapped-capital problem. Learn how to automate replenishment and eliminate costly stockouts
13 min read - Demand Planning
Demand Planning Software: Forecast or Profitability?
The demand planning software you use may be generating accurate forecasts while destroying your EBITDA. Discover which metrics actually matter.
14 min read - Demand Planning
Demand Planning in Retail: Beyond the Forecast
Retail demand planning isn't a precision problem — it's a trapped-capital problem. Learn to measure what it's really costing your EBITDA.
13 min read
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