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12 May 2026 · 6 min read

The Cost of the Wrong Number

Why most board decisions go wrong long before the meeting starts, and what to do about it.

DataLeadership

Every board I have sat in front of has, at some point, made a decision on a number that nobody could fully defend. The number arrived in a deck. The deck arrived from a team. The team pulled it from a system. Nobody in the room had walked the chain end to end.

Where the gap opens

The gap is rarely in the model. It is in the joins, the filters, the silent assumptions about what counts as active, paying, churned, or live. Those choices were made months ago by people who have since moved on.

A practical move

Before the next board pack goes out, pick one headline metric and trace it back to the source. If you cannot do it in an afternoon, you have your answer about how much weight that number can carry.

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