Key-person risk
Key-person risk is the exposure an organization carries when critical knowledge, relationships, or responsibilities sit with one individual who has no ready backup.
Key-person risk is the exposure created when a single individual holds critical knowledge, relationships, or responsibilities and no one else could step in quickly. The risk is invisible until that person resigns, retires, or is unavailable — at which point it becomes urgent.
Reducing key-person risk means knowing where it sits and building a bench against it. Modeling a departure before it happens — seeing which roles uncover and which plans go thin — turns an abstract worry into a specific, addressable list.
Key-person risk does not follow the org chart. A principal engineer who alone understands the billing system, a controller who carries the audit relationship, or a plant supervisor holding thirty years of tribal knowledge can each out-rank a VP on real exposure. That is why critical-role identification filters on cost of vacancy rather than title.
The practical mitigations are unglamorous and effective: document what only this person knows, spread their relationships deliberately, name and develop cover even if informal, and stress-test the departure before it happens. The goal is not to make anyone replaceable overnight; it is to convert a cliff into a slope.
See where your bench breaks before it matters.
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