From Integrated Business Planning · Chapter 1

One Set of Numbers: IBP's Most Important Principle

Perhaps the most important principle in Integrated Business Planning is that the entire organization operates from a single, agreed-upon set of numbers. There is no "sales version" and "operations version" of the plan — there is one plan, owned jointly by the business, and all functional plans must reconcile to it.

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From Integrated Business Planning · Chapter 1

S&OP Asks "Can We?" IBP Asks "Should We?"

Classic S&OP asks: can we make what we plan to sell? Integrated Business Planning asks a bigger question: are we making the right decisions to achieve our strategic and financial objectives, and what are the trade-offs? That shift — from feasibility to strategy — is what separates a mature planning process from a scheduling exercise.

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From Sales & Operations Planning · Chapter 1

Why the Order of the Five S&OP Steps Matters

Portfolio comes before Demand because product decisions are upstream of what the market can even be asked about. Demand comes before Supply because a forecast already constrained by "what supply can deliver" isn't a demand plan — it's a supply plan in disguise. Skipping a step, or running them out of order, doesn't produce a faster cycle. It produces a worse plan.

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From Sales & Operations Planning · Chapter 1

Four Tests of a Working S&OP Process

Is it predictable — same calendar week, same agenda, every month? Does everyone work from one source of truth? Do meetings produce decisions instead of status updates? And does the process retrospect and improve itself? Four honest questions separate a real S&OP discipline from a set of recurring calendar events.

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