9 Box Talent Review
The 9 Box Talent Review (also called the 9 Box Grid or Performance Potential Matrix) is a talent management tool used by HR and leadership teams to assess employees along two dimensions: current performance and future potential, and plot them into nine resulting boxes.
Originally adapted from GE's business unit portfolio matrix for individual talent planning, it's now a standard part of succession planning, promotion decisions, and development conversations in many organizations.
How the Grid Is Structured
The grid plots Performance (low, medium, high) on one axis and Potential (low, medium, high) on the other, producing nine combinations, such as:
- High Performance / High Potential: Future leaders top priority for development investment and succession planning.
- High Performance / Low Potential: Strong, reliable performers in their current role, unlikely to be ready for significantly broader responsibility soon.
- Low Performance / High Potential: Employees who may be underutilized, newly placed, or facing an obstacle that warrants investigation before writing them off.
- Low Performance / Low Potential: Employees who need a clear performance improvement plan or a role reassessment.
The other five boxes represent the gradations between these extremes, giving a more nuanced picture than a simple high/low split.
Why Companies Use the 9-Box
A single performance rating tells you how someone is doing right now, but not whether they're ready for more responsibility. Pairing performance with potential gives HR and managers a shared, visual language for succession planning conversations: who's ready for promotion, who needs a stretch assignment, and where a development gap actually needs support rather than a warning. It's the same underlying logic as a priority matrix: plotting two variables together surfaces decisions that neither one alone would make obvious.
How to Run a 9-Box Review
- Define performance and potential criteria clearly before scoring anyone, so managers apply the same standard.
- Calibrate across managers, not just within one team; a "high performer" on one team should mean the same thing on another.
- Plot employees together in a calibration session, since individual manager bias is the biggest risk to a fair result.
- Turn placements into action plans; a 9-box exercise with no follow-up development conversation isn't worth the calibration effort it took.
- Revisit on a regular cadence, often aligned with quarterly business reviews, since potential and performance both shift over time.
Calibration sessions surface inconsistent standards faster than any policy document can, since a manager's placement only gets challenged once it sits next to a peer's - which is the actual mechanism that makes calibration work, not the grid itself. Running the session on a collaborative whiteboard like MockFlow IdeaBoard rather than a static spreadsheet lets a calibration group move names between boxes as the debate happens, and makes it easier to notice patterns, such as high-potential talent clustered in one team or a silo that isn't getting visibility elsewhere in the org.
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