Succession planning has been part of HR for decades, and it still gets done badly more often than well. The traditional ritual: HR sends out a 9-box template, leaders fill it in for their direct reports, the data sits in a spreadsheet, and nothing changes between annual cycles. The process exists; the practice doesn't. The companies that get value from succession planning treat it as a continuous capability, not a once-a-year deliverable. They review their pipelines quarterly, track how successors actually develop, and connect the plan to real selection decisions when roles open.
The Standard Succession Planning Process Most succession planning follows a five-step cycle. Define which roles are critical (positions where unplanned vacancy would meaningfully harm the business). Identify potential successors for each, typically rated on current performance and growth potential. Build development plans for each named successor with specific experiences, sponsors, and timelines. Review the plan at executive level on a defined cadence (typically quarterly for ready-now successors, semi-annually for the broader pipeline). And measure how often actual openings get filled from the plan, which is the cleanest test of whether the planning matches reality.
Each step depends on the previous one being done well. A succession plan built on poorly-defined critical roles produces successors for the wrong jobs. A pipeline without development plans produces names but not capability.
Using the 9-Box Grid Without Letting It Become the Whole Process The 9-box grid is the most widely used succession planning framework. It plots employees on two axes: current performance (low, medium, high) and growth potential (limited, growth, high). The resulting nine cells map roughly to development priorities: high-performance high-potential employees are top candidates for accelerated development; high-performance low-potential employees are key contributors who should be retained where they are; low-performance low-potential employees are candidates for performance management or role change.
What Are the 9-Box Grid's Limits? The grid forces categorical judgments where reality is continuous. It can encode bias if the rating criteria are vague. It tends to anchor on past performance rather than future capability. And it's only as good as the calibration discussion behind it. Companies that use the grid as a structured input to discussion (rather than as the discussion itself) get more out of it.
Why Most Succession Planning Fails Quietly Four patterns produce most quiet failures. Plans that don't get updated when business strategy changes, so they prepare successors for roles that no longer exist as designed. Plans that name successors but don't build development plans, so the successors are designated rather than developed. Plans that never test their assumptions, so the named pipeline doesn't get used when actual roles open. And plans that ignore diversity, repeatedly naming successors who match the demographics of current incumbents. Each failure mode is fixable with discipline, but they all show up consistently because succession planning is the kind of work that's easy to skip when nothing is currently on fire.
Building a Succession Planning Practice That Earns Executive Trust Five practices distinguish working succession planning from check-the-box succession planning. Connect succession planning to business strategy explicitly, so the critical roles list reflects where the company is heading, not just where it has been. Pair every name in the plan with a documented development plan, owner, and timeline. Review the pipeline quarterly with the executive sponsor for each role. Track the percentage of critical-role openings filled from the internal pipeline as a primary success metric. And report results candidly, including the openings that went external and why, so the next planning cycle is grounded in honest data. For related concepts, see recruitment , employee retention , and turnover . The Bureau of Labor Statistics publishes labor force projections that support multi-year succession planning at bls.gov .
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