By Kathy Burton, Ph.D., Vice President Learning and Development, and DeLynn Senna, Senior District President, Executive Search Global Operations, Robert Half
An executive team is preparing for a critical transition, and the shortlist of successors is predictable.
The longest-tenured executive. The consistently strong leader who has delivered results for years. The executive who commands the room, builds strong relationships and seems like the natural next choice because they are widely respected, easy to work with and trusted by the people around them.
Sometimes those instincts lead to exactly the right decision. Sometimes they lead organizations to confuse familiarity, visibility, likability or past success with executive readiness.
This is exactly where the 9 box grid becomes such a valuable succession planning tool. It helps leadership teams evaluate current performance alongside future leadership potential, so decisions are not driven by instinct alone.
At its core, the 9 box talent review is an individual talent assessment framework used in succession planning to evaluate an employee’s current performance alongside their potential to grow into broader leadership roles. Instead of defaulting to instinct, tenure or familiarity, leaders are pushed toward a more disciplined talent discussion.
The 9 box helps organizations identify talent that might otherwise be overlooked while creating more honest conversations about the leaders who feel like the obvious choice.
The grid, however, is only the starting point.
Using the 9 box grid for executive readiness
What does executive readiness look like today?
One of the fastest ways to get succession planning wrong is to evaluate future leaders based on what worked in the past.
For years, leadership teams often rewarded the leaders who knew the business best, delivered consistently, kept teams on track and could be counted on when execution mattered. Those qualities still matter. But they are no longer enough on their own.
When those remain the primary signals for identifying future executives, organizations risk making decisions that feel logical in the moment but create problems later, especially in small and medium-sized businesses where succession planning decisions are often shaped by familiarity, urgency, tenure-based assumptions or limited internal leadership depth rather than formal evaluation or executive search support.
That is also when performance alone can become a misleading signal.
This is exactly where a well-used 9 box grid creates value. It forces leadership teams to look beyond performance, tenure and familiarity and ask harder questions about potential, leadership range and long-term fit.
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Executive performance is not executive readiness
The leader who drives results in today’s environment is not always the leader best equipped for what comes next.
Can this person lead through ambiguity, not just execution? Can they influence across the organization, not simply within the environment where they have already succeeded? Can they make sound decisions when information is incomplete? Are they adaptable enough to evolve as the business evolves?
And one question we come back to often is this: Do they still have the fire in their belly?
That is not about personality. It is about whether someone genuinely wants what the next role demands.
We have worked with highly respected leaders who absolutely had the experience to move into a larger role but had little interest in what that role would actually require. That is exactly why leaders need honest conversations about aspiration, not assumptions.
The goal is not to push someone toward a title they do not want. It is to understand leadership fit before assumptions become decisions. That matters even more now, as AI, transformation and faster business cycles reshape what executive leadership requires.
Proven leadership success still matters. On its own, it is no longer enough.
What the 9 box assessment should actually reveal
A 9 box talent review loses much of its value when leadership teams treat placement on the grid as the outcome instead of the beginning of a much more important conversation.
The grid can help identify performance and potential. What it cannot do is replace the honest leadership discussions that determine whether someone is truly ready for what comes next.
The real value of the 9 box assessment
A high-performing leader may look ready on paper but still lack the exposure, influence or judgment required for a significantly broader role. Those are exactly the realities organizations need to understand early enough to address.
It is also critical to confirm that the individuals identified for future leadership roles actually want to pursue those opportunities.
We have seen leadership teams build thoughtful succession planning strategies around a presumed successor because the fit looked obvious, only to discover in direct conversation that the individual had no interest in the role being planned around them.
A well-used 9 box creates space for those conversations while there is still time to develop internal talent, broaden the leadership pipeline or rethink the path forward before a transition becomes urgent.
Organizations rarely make expensive leadership mistakes because they lack capable people. More often, those mistakes happen when assumptions go untested, difficult conversations happen too late and a decision that once felt obvious turns out to be incomplete.
Where leadership calibration gets messy
A 9 box talent review is only as strong as the discipline behind it.
This is where even experienced executive teams can get it wrong.
The same leader may be viewed very differently across the organization depending on who is doing the evaluation. One executive sees a high-potential future leader. Another sees someone who performs well in a familiar environment but has not yet demonstrated the judgment or range required for broader leadership.
Both perspectives may contain truth. That is exactly why calibration matters.
Without consistent standards, the 9 box grid becomes far more subjective than leaders realize.
The highly visible executive who presents confidently in senior meetings may be viewed as having stronger potential simply because they are seen more often. Meanwhile, a quieter leader who builds strong teams, makes disciplined decisions and earns trust across the organization may be undervalued because their leadership style is less performative.
That is not necessarily intentional bias. It is human nature. And if leadership teams are not disciplined about calibration, familiarity, proximity and personal preference can quietly shape decisions that deserve much more rigor.
That is one reason succession planning remains inconsistent across many organizations. Robert Half research shows 52% of organizations have comprehensive documented succession plans, while 36% limit planning to only a handful of senior roles and 12% have no formal plan at all.
A thoughtful 9 box assessment is not about filling boxes. It is about creating a more honest, consistent and complete view of leadership potential before critical decisions get made.
Succession planning does not end with promotion
Choosing the right successor is only part of the job.
A thoughtful 9 box talent review, stronger calibration and honest succession planning conversations can dramatically improve leadership decisions. But even the right choice can struggle if the transition itself is poorly managed.
Promotion is not proof the process worked
A newly promoted executive may still be pulled into the responsibilities of their previous role because no real transition plan was created. Former peers may struggle to adjust to a new reporting relationship. Expectations around the broader role may be assumed rather than clearly defined. Months later, the executive is trying to lead at a higher level while still carrying responsibilities they should have already handed off.
That is not necessarily a talent issue. It is often a transition issue.
Robert Half research shows 53% of leaders cite knowledge transfer from departing leaders as their top succession planning challenge, which speaks to how often organizations underestimate what leadership transitions actually require.
A strong succession process does not end with naming a successor. It includes preparing that person to succeed once they are in the role.
Better succession planning starts with a smarter 9 box assessment
The 9 box remains a valuable framework because it creates structure around conversations many organizations need to have but often avoid. No framework, however, replaces executive judgment, honest evaluation or the discipline required to assess leadership potential with greater objectivity.
Organizations that build stronger leadership pipelines are not always the ones with the deepest benches. More often, they are the ones willing to ask harder questions earlier, challenge assumptions and invest in leadership development before transitions become urgent.
The most expensive succession mistakes rarely happen because leadership teams lack talent. They happen because familiarity feels reassuring, tenure feels earned and the hardest questions get asked too late.
The 9 box assessment matters because it forces leadership teams to confront what feels obvious before obvious becomes the wrong decision.
