Dr. Chockalingam

About Dr. Chockalingam

Mark Chockalingam is the Founder and President of Valtitude, a strategy and solutions consulting firm headquartered in Boston, MA, specializing in Demand Forecasting, S&OP, and end-to-end supply chain transformation. Founded in 2004, Valtitude serves Fortune 500 companies and mid-market businesses across industries including Pharmaceuticals, Consumer Products, High-Tech, Food & Beverage, Aerospace, and Oil & Gas. Dr. Chockalingam is also the Founder and Chief Architect of PlanVida, Valtitude’s cloud-based supply chain planning platform. Mark has over twenty years of consulting and corporate experience in Predictive Analytics, Sales Forecasting, Supply Chain Optimization, and Integrated Business Planning. Mark has consulted for many marquee names including Wyeth-Pfizer, Miller SAB, FMC, Labatt USA, Pepsi Foods, Schlumberger, Honeywell, Facebook (now Meta), Qualcomm, Tropicana Brands, Prestige Healthcare, Cuisinart, Abbott, and Mars Petcare, among others.

Forecasting the Pattern vs the Cause: The Smoothing Trap in SAP IBP

By |2026-06-19T09:35:47+00:00June 19th, 2026|Categories: Blog|Tags: , , , , |

Forecasting the Pattern, Not the Cause: Why Smoothing Over Events Distorts Your Demand Signal Actual Worst Practice in SAP implementations: Removing all events from historical data and making it flat to produce a smoothed forecast!! Ask yourself: is your forecast capturing demand — or just smoothing over it? 📊In SAP IBP, too many planners still default to exponential smoothing [...]

SAP IBP Consulting: From Blueprint to High-Performing Planning Machine

By |2026-06-19T16:09:55+00:00June 12th, 2026|Categories: Blog|Tags: , , , , |

Turning Supply Chain Blueprints into Reality: SAP IBP Consulting from the Ground Up At Valtitude, we help organizations unlock the full power of SAP IBP — from the ground up.  Brownfield or Greenfield, we level the playing field for users, super-users, techies, middle managers and c-Suite.  With advances in Fiori, information can be accessed seamlessly at any level... Whether [...]

Why Splitting Monthly Forecasts Evenly Across Weeks Hurts Your Supply Plan

By |2026-06-19T16:21:17+00:00June 12th, 2026|Categories: Blog|Tags: , , , , , , , , , |

Worst Practices Supply Chain Planning: Equal-Split Weekly Disaggregation That Erases Real Demand Patterns 📉 Equal-split forecasts in SAP IBP: convenient, but is it costing you? 🤔 A pattern I see often in IBP implementations: the monthly forecast gets disaggregated to weeks using an equal split. 400 units in the month? That becomes 100 / 100 / 100 / 100 [...]

Forecasting Worst Practices: When Discontinued Products Never Really Die

By |2026-06-11T14:16:09+00:00June 11th, 2026|Categories: Blog|

Forecasting Worst Practice #8: Ghost Demand from Discontinued Products That Never Leave the System This worst practice is not just in SAP IBP.  This is common across many systems. Forecast accuracy gets scrutiny. Master data accuracy deserves the same. One missed field in the Product Master. Months of planning noise. Here's how ghost demand haunts your supply chain. One [...]

Average Fixed Lead Times Are Costing You Inventory and Trust

By |2026-06-11T13:53:24+00:00June 11th, 2026|Categories: Blog|

SAP IBP Worst Practice #7: Planning with Average Lead Times That Never Get Updated 🚨 STOP planning supply with average lead times! You're lying to your own planning system. And it's costing you. Here's the scenario I have seen in number of implementations. A supplier delivers in 5 days. Then 7. Then 6. Then suddenly… 💥 15 days. But [...]

SAP IBP PLM Trap: How Default 100% Weighting Destroys Forecast Accuracy

By |2026-06-11T13:47:30+00:00June 11th, 2026|Categories: Blog|

SAP IBP Worst Practice #6: The PLM Weighting Trap That Wrecks Your Forecast Product Lifecycle Management (PLM) in SAP IBP (and APO) is supposed to be your secret weapon for phase-in / phase-out modeling and #analog forecasting. Instead, it's quietly killing forecast accuracy👇 📌 The Setup Looks Perfect A new SKU launches. A planner maps it to a predecessor [...]

Why Defaulting to Heuristics in Constrained Supply Networks Costs You

By |2026-06-10T14:48:24+00:00June 10th, 2026|Categories: Blog|

SAP IBP Worst Practice #5: Heuristics on high gear ⚡ Fast planning ≠ smart planning. A lesson every supply chain team eventually learns the hard way. A typical worst practice in SAP IBP implementations: using the Heuristic engine in highly constrained, multi-node scenarios — because it's fast and familiar. Heuristic plans sequentially — first priority gets served first. It's fast, it produces [...]

One Lead Time for All — Why It Quietly Kills Inventory Optimization

By |2026-06-10T14:50:05+00:00June 10th, 2026|Categories: Blog|

🚨 SAP IBP Worst Practices... continuing on to Supply Planning and IO ⚠️ WP #4: One lead time. Every product. Every location. What could go wrong? We keep seeing this in SAP IBP Inventory Optimization implementations — and it could quietly kill the usability and the credibility of the tool even before go-live. 💀 🛠️ The integration consultant loads [...]

When Your Algorithm Forecasts a Ghost — The Hidden Cost of Ignoring PLM Flags

By |2026-06-12T14:26:40+00:00June 10th, 2026|Categories: Blog|

SAP IBP Worst Practices WP3: When Your Algorithm Forecasts a Ghost — The Hidden Cost of Ignoring PLM Flags It is not about the model but everything that supports it. WP3: Not considering PLM or other flags that reflect business realities. Here is a forecast output from a live IBP instance. The product had zero demand for 18+ months. No [...]

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