You Found Your High Performers. Now Comes the Part Most Companies Get Wrong

The 9-box grid looks wonderfully decisive in a talent review meeting.

Names are placed into neat squares. High performers are identified. High-potential employees are highlighted. Managers nod thoughtfully, HR updates the spreadsheet, and everyone leaves feeling as though succession planning has moved forward.

Then very little happens.

Six months later, the same employees are still doing the same jobs, receiving the same assignments and wondering what exactly being labelled “high potential” was supposed to change.

That is the real 9-box grid problem.

The framework itself is not usually the issue. The problem is what happens after employees have been categorised.

A useful talent review should lead to development plans, stretch assignments, succession decisions, internal mobility and retention actions. Without those next steps, the 9-box grid becomes an elegant way of organising opinions rather than improving the workforce.

This is also why a strong talent management course should go beyond teaching HR professionals how to complete a matrix. The real value lies in learning how to translate talent data into practical decisions about development, deployment and succession.

Here is what should happen after your high performers land in the top-right corner.

What Is the 9-Box Grid Actually Supposed to Do?

The 9-box grid is a talent management framework that typically evaluates employees across two dimensions: current performance and future potential.

One axis represents how effectively the employee performs in the current role. The other considers the employee's potential to take on greater complexity, broader responsibility or more senior positions.

The resulting grid contains nine combinations.

Someone might demonstrate high performance but moderate potential. Another employee may show strong potential but currently deliver inconsistent results.

The top-right box usually receives the most attention.

This is where organisations often place employees considered both high-performing and high-potential.

The framework can help structure talent conversations.

However, the grid should be treated as a starting point rather than the final output.

A well-designed talent management training programme should teach HR professionals and managers how to use talent assessments to trigger action.

Otherwise, identifying high-potential employees becomes little more than corporate astrology with coloured boxes.

The Biggest Mistake Is Treating Identification as Development

Organisations often spend enormous effort identifying talent.

They conduct performance reviews, calibration meetings, competency assessments and management discussions.

Then development receives considerably less attention.

Being labelled high potential does not automatically make an employee more prepared for the next role.

Potential describes possibility.

Readiness requires development.

A high-performing marketing manager may eventually become capable of leading a regional function. That does not mean the employee is ready today to manage larger budgets, multiple markets and senior stakeholders.

Those capabilities need to be built deliberately.

This is where high-potential employee development becomes important.

After identifying high-potential employees, organisations should define the experiences, skills and exposure those individuals need before taking on greater responsibility.

Without that step, succession planning becomes wishful thinking.

The company has identified who might eventually succeed.

It has not done anything to make that succession more likely.

Step 1: Separate Performance From Potential

One of the most common 9-box grid mistakes is treating strong performance as proof of leadership potential.

The two are related.

They are not identical.

An employee can be exceptional in the current role without wanting or being suited for a larger leadership position.

A brilliant software engineer may enjoy deep technical work and have little interest in managing a department.

Promoting that person simply because performance is outstanding can create two problems.

The organisation loses an excellent specialist.

It gains a reluctant manager.

Potential should therefore be assessed independently.

Managers should consider learning agility, adaptability, strategic thinking, interpersonal effectiveness, ambition and the ability to operate successfully at greater levels of complexity.

The exact criteria should reflect the organisation.

A talent management course can help managers understand the distinction between assessing what an employee achieves today and evaluating what that employee may be capable of doing tomorrow.

This distinction also improves fairness.

Employees should not be pushed toward management simply because the organisation lacks another definition of career progression.

Sometimes the right next step is deeper expertise rather than a larger team.

Step 2: Calibrate Before Making Decisions

Talent ratings are subjective.

That is unavoidable.

Managers observe employees differently and may apply different definitions of performance and potential.

One manager's “exceptional” may be another manager's “solid”.

This is why calibration matters.

A talent calibration meeting allows leaders to compare assessments and challenge assumptions before major development or succession decisions are made.

Managers should be asked to provide evidence.

Why is this employee considered high potential?

What behaviours suggest readiness for greater complexity?

What evidence supports the performance rating?

This prevents the grid from becoming a reflection of managerial confidence rather than employee capability.

Calibration also helps expose bias.

A highly visible employee may receive more recognition than someone producing equally strong work quietly.

Employees similar to senior leaders may be perceived as having greater leadership potential simply because their behaviour feels familiar.

A practical talent assessment training programme should therefore teach managers how to challenge ratings constructively.

The goal is not complete mathematical objectivity.

Human judgement will always play a role.

The goal is better judgement supported by clearer evidence.

Step 3: Create Individual Development Plans

Once high-potential employees have been identified and calibrated, the next question should be simple:

What do they need to learn next?

This is where individual development plans become useful.

A development plan should identify the employee's future capability requirements, current gaps and specific experiences that can close those gaps.

Generic objectives such as “develop leadership skills” are not especially helpful.

The plan should be more precise.

Perhaps the employee needs experience managing a larger team.

Maybe they need exposure to senior clients, financial planning or cross-functional leadership.

Another employee may need greater international experience before becoming ready for a regional role.

Development should also include clear timelines and responsibilities.

What will the employee do?

What support will the manager provide?

Which opportunities will HR facilitate?

A well-designed talent development training course should teach managers how to build development plans around actual readiness gaps rather than sending every high-potential employee to the same leadership workshop.

Training can help.

Experience usually does more.

Step 4: Give High Potentials Stretch Assignments

Employees do not become ready for larger roles by discussing larger roles.

They become ready by experiencing greater complexity.

Stretch assignments provide opportunities to test and develop capability without immediately placing the employee into a permanent promotion.

For example, a high-potential manager might lead a cross-functional project.

Another employee could temporarily manage a new team, oversee a strategic client or take responsibility for a difficult business initiative.

The assignment should be challenging enough to create development.

It should not be so unrealistic that failure becomes almost inevitable.

Good stretch assignments reveal important information.

They show how employees respond to ambiguity, pressure and unfamiliar stakeholders.

They also give employees a chance to discover whether they actually enjoy the type of work associated with a future role.

This makes stretch assignments valuable for both development and assessment.

A strong succession planning and talent management programme should therefore connect high-potential identification with real work experiences.

Potential becomes more credible once it has survived contact with responsibility.

Step 5: Use Job Rotation Strategically

Job rotation can broaden high-potential employees beyond their current function.

This is particularly valuable when future leadership positions require understanding several parts of the organisation.

A finance leader may benefit from commercial exposure.

An operations manager may need experience working directly with customers.

A future general manager may need experience across several markets or functions.

The mistake is rotating employees simply because rotation sounds developmental.

Every move should address a specific capability gap.

An employee should know why the assignment matters and what they are expected to learn.

Otherwise, the rotation can feel like an unexplained disruption.

A workforce development programme should therefore connect mobility with longer-term talent objectives.

The employee should not finish the assignment wondering why the organisation moved them across the building for eighteen months.

Development needs context.

Step 6: Build Mentoring and Sponsorship Into the Plan

High-potential employees often need more than training.

They need access.

Mentors can help employees understand organisational dynamics, leadership expectations and career decisions.

Sponsors play a different role.

A sponsor actively advocates for the employee and creates access to opportunities that might otherwise remain unavailable.

This distinction matters.

An employee can receive excellent advice while still being invisible when important assignments are allocated.

Sponsorship helps close that gap.

Senior leaders can recommend high-potential employees for strategic projects, introduce them to important stakeholders and ensure they are considered when opportunities arise.

A sophisticated leadership development programme should therefore include both capability building and organisational exposure.

Talent does not progress purely because it exists.

Someone usually has to notice it and create opportunities for it to become visible.

Step 7: Define Succession Readiness Properly

Succession plans often contain a list of names.

That is not enough.

Each potential successor should have a realistic readiness assessment.

Common categories might include ready now, ready within one to two years or longer-term potential.

These categories help organisations identify immediate vulnerability.

Suppose a critical executive role has three potential successors.

That looks reassuring.

But if all three are considered five years away from readiness, the organisation still has a succession problem.

A useful succession planning course should teach HR professionals to distinguish between pipeline depth and actual readiness.

The organisation needs to know both.

Readiness assessments should also connect directly with development plans.

If someone is expected to become ready within two years, leadership should know what needs to happen during those two years.

Otherwise, “ready in two years” may simply become the same label repeated at every annual review.

Step 8: Do Not Ignore High Performers With Moderate Potential

The top-right box tends to receive most of the attention.

That can create another problem.

High performers who are not viewed as future senior leaders may feel forgotten.

These employees are often extremely valuable.

They may possess deep expertise, strong customer relationships or exceptional operational knowledge.

Losing them can create significant business disruption.

Talent management should therefore avoid implying that only employees with executive potential deserve investment.

High-performing specialists may need different career paths.

This could include expert tracks, broader technical responsibilities, mentoring roles or specialist recognition.

A good employee development strategy recognises multiple forms of contribution.

Not everyone needs to become a senior executive.

An organisation made entirely of aspiring vice presidents would be a fascinating meeting and a terrible operating model.

Step 9: Talk to Employees About Their Ambitions

Managers often assess potential without asking employees what they actually want.

That is risky.

An employee may be viewed internally as a future regional leader while privately having no interest in relocating.

Another high performer may want technical mastery rather than people management.

Talent planning should therefore include career conversations.

Ask employees what kind of work motivates them.

Discuss future aspirations and personal constraints.

This information does not mean the organisation must fulfil every request.

It means development plans should be based partly on reality.

A useful career development training programme can help managers conduct these conversations more effectively.

Career discussions should not happen only when an employee resigns.

By then, the conversation has acquired an unnecessarily urgent tone.

Step 10: Measure Whether Development Is Actually Happening

Talent management can become very process-heavy.

Forms are completed.

Matrices are updated.

Development plans are uploaded.

The existence of documentation can create the illusion of progress.

Organisations should therefore track whether the promised actions actually happen.

How many high-potential employees received stretch assignments?

How many gained cross-functional experience?

How many critical roles have ready-now successors?

How many high performers left the organisation?

Promotion rates can also provide useful information.

However, promotion alone should not become the only measure of success.

Some employees may develop into stronger specialists without moving vertically.

A robust talent management strategy should therefore use several indicators.

The goal is to determine whether talent reviews change employee capability and organisational readiness.

If the answer is no, the 9-box process may be producing administration rather than development.

Step 11: Watch Retention Risk Closely

Identifying someone as high potential can create expectations.

If the organisation then does nothing differently, frustration can increase.

Employees may wonder why they were told they have future potential while receiving no new responsibilities, development or career movement.

Competitors may be happy to solve that problem for you.

This is why employee retention strategies should be integrated into talent reviews.

High-potential employees should understand what development opportunities are available and what realistic progression might look like.

Managers should not promise promotions that do not exist.

Transparency is more useful than vague assurances.

The goal is to demonstrate investment without creating entitlement.

A high-potential designation should communicate opportunity, not guarantee a future title.

Should Employees Know Their 9-Box Rating?

This is a surprisingly difficult question.

Some organisations share ratings openly.

Others keep the grid confidential and discuss only development outcomes.

There are risks on both sides.

Telling someone they are a “high potential” employee may increase motivation.

It may also create expectations about promotions and compensation.

Telling another employee they have “moderate potential” can be demotivating, particularly when the assessment criteria are not well understood.

Many organisations therefore focus conversations on development rather than box labels.

Managers can discuss strengths, career aspirations and readiness gaps without announcing that an employee occupies box 6.

A well-designed talent management course should help HR teams decide how talent information will be communicated and ensure managers use consistent language.

Whatever approach is chosen, secrecy should not become an excuse for avoiding meaningful career conversations.

Employees deserve to understand how they can grow.

They do not necessarily need to know the coordinates assigned to them in an internal spreadsheet.

Common 9-Box Grid Mistakes

The first mistake is rating employees without clear criteria.

Managers then use personal definitions of performance and potential.

The second mistake is confusing performance with potential.

Your best individual contributor may not be your best future manager.

Another mistake is overinvesting in the top-right box.

High-performing specialists and developing employees still require attention.

Organisations also frequently fail to connect talent reviews with real development opportunities.

An employee cannot become more ready through annual discussions alone.

Poor calibration creates another problem.

Ratings may reflect manager bias or visibility rather than capability.

Finally, organisations often fail to review the grid frequently enough.

Employees change.

Roles change.

Business priorities change.

Someone assessed as moderate potential three years ago should not remain permanently trapped there because nobody revisited the assumption.

Talent management should be dynamic.

The workforce certainly is.

How HR Can Turn the 9-Box Grid Into a Real Talent System

Start by defining performance and potential clearly.

Managers should understand the criteria before talent review discussions begin.

Use calibration meetings to improve consistency.

Require evidence rather than accepting labels without explanation.

Then connect each category with appropriate actions.

High-potential employees may need stretch assignments and succession preparation.

High-performing specialists may need expert career tracks.

Developing employees may need coaching or clearer performance support.

Integrate the grid with succession planning.

Critical roles should have potential successors and realistic readiness timelines.

Track development actions afterwards.

Do not wait until the next annual review to discover that none of the agreed opportunities happened.

Finally, involve employees in career discussions.

The most sophisticated talent system will still fail if the person being developed wants a completely different future.

A practical talent management training programme should teach HR teams how these components work together rather than presenting the 9-box grid as an isolated tool.

The grid organises the conversation.

The talent system determines what happens next.

Questions HR Leaders Should Ask After Every Talent Review

Who are our strongest performers?

Which employees have the potential to handle significantly greater complexity?

What evidence supports those assessments?

Which critical roles currently lack ready successors?

What capabilities do our high-potential employees still need to develop?

Which stretch assignments or rotations could provide those capabilities?

Which employees are retention risks?

Which high performers require specialist rather than managerial career paths?

What development actions were promised?

Who is responsible for making those actions happen?

And perhaps most importantly:

If we conduct the same talent review next year, what should have changed?

If nobody can answer that question, the process is probably too focused on classification.

Talent management should create movement.

Final Verdict: The 9-Box Grid Is Only Useful When Something Happens Afterwards

The 9-box grid can be an effective talent management tool.

It gives organisations a structured way to discuss performance, potential and succession.

But identifying high performers is the easy part.

The difficult part begins afterwards.

High-potential employees need development plans, stretch assignments, coaching, sponsorship and meaningful career conversations.

Potential successors need readiness assessments and targeted experiences.

High-performing specialists need career paths that recognise their value without forcing them into management.

Managers need to revisit assessments regularly and track whether development actions are actually happening.

That is why a strong talent management course should teach more than how to place employees into nine boxes.

HR professionals need to understand calibration, succession planning, employee development, retention and workforce planning.

The grid should trigger decisions.

It should change who receives an assignment, who receives coaching, who enters the succession pipeline and where the organisation invests its development budget.

Otherwise, the company has not really built a talent management system.

It has built a very organised diagram.

And diagrams, unfortunately, are notoriously bad at developing people.

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