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Thinking on performance measurement, fragile environments, and evidence-based leadership.

The most expensive departure is never the one that surprises you. It is the one that should not have surprised you — and would not have, if you had been measuring the right things.

For the PractitionerMarch 11, 2026

When Your Best Person Leaves and Nothing Catches It

There is a moment every small business owner recognises in hindsight. The person who held everything together — the one who knew the suppliers, calmed the difficult clients,…