Succession Planning for Critical Roles
Waiting for a vacancy to start thinking about who's ready to fill it turns succession into crisis management — here's how to build the pipeline before it's needed.
Why succession planning gets deprioritised until it's urgent
Succession planning competes for attention with problems that feel more immediate, and a critical role that's currently filled doesn't feel urgent — until the person in it leaves, at which point the organisation is planning under exactly the time pressure succession planning exists to avoid.
Identifying critical roles, not just senior ones
Seniority and criticality aren't the same thing — a specific technical or operational role several levels below the board can be more critical to continuity than a senior generalist position. Identifying genuinely critical roles means asking what would actually stop the organisation functioning if the role were vacant tomorrow, not just reading the org chart from the top down.
Building the pipeline before the vacancy
Once critical roles are identified, the pipeline is built by deliberately developing likely successors against the judgement and capability the role requires — not by hoping someone suitable happens to be available when the vacancy arises. This is where succession planning and leadership onboarding meet: a successor who's been deliberately prepared needs a much shorter onboarding runway when the moment comes.
Succession planning as risk management
Treated as an HR administrative exercise, succession planning tends to get deprioritised. Treated as risk management — what's the organisation's actual exposure if this specific role becomes vacant with no notice — it tends to get the attention and resource it needs from leadership.
Common questions on this topic.
More than one where possible — a single named successor is still a single point of failure if their own circumstances change.
Generally yes, in some form — development that's kept secret is harder to act on deliberately, and transparency tends to support retention rather than undermine it.
A successor who's been deliberately developed in advance needs a shorter, more targeted onboarding when the transition happens — the two disciplines compound rather than duplicate each other.
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