Great Employees Don’t Automatically Become Great Leaders

Why promoting high performers without preparing them to lead can hurt confidence, culture, and retention—and what organizations should do instead.

By Steve Feller  |  The Genuine Mentor — The Leadership Journey, Article 1

Your past performance may have earned the opportunity—but were you prepared to lead?

Companies often promote great employees and then wonder why that person struggles as a leader. It is an understandable decision. High performers are visible, dependable, and already trusted. Promoting them feels like a safe way to reward strong results and fill an important role.

But a great employee does not automatically become a great leader. The skills that produce excellent individual performance are not the same skills required to develop people, navigate conflict, delegate responsibility, and build trust. Performance may earn someone a leadership opportunity; preparation determines whether that opportunity becomes progress.

Why Great Employees Struggle When Promoted

Our minds naturally go to the people who have done well—especially those who have helped us directly. Familiarity feels safe. Loyalty, friendship, and a desire to reward someone can also influence the decision. None of that makes promoting a high performer wrong. It simply means leaders need to ask a better question:

“What role are they performing well in, and how does that compare with the role they are being considered for?”

— Steve Feller

A top salesperson may be excellent at closing business but unprepared to coach a struggling teammate. An efficient operator may know every process but have little experience handling emotion, conflict, or disengagement. A technical expert may solve problems quickly yet find it difficult to let others learn through mistakes.

When companies treat promotion as a reward instead of a role transition, they put both the employee and the team at risk. Great employees don't automatically become great leaders.

A Real Example: When Promotion Isn’t Progress

Earlier in my career, I worked as a sales manager with a yard foreman who was doing a fabulous job. He was a natural at scheduling, making things work, building team engagement, and handling issues before they became bigger problems. I always knew he would take care of what needed to be done.

He also wanted to progress and earn more money. He believed a sales position was the best opportunity to do that. We did not have an opening at first, so we moved him into cabinet design to give him experience with the sales team and customers. When a sales position opened, we quickly advanced him.

He received basic training, but nothing formal enough to prepare him for the change. In the yard, he had clear rhythms and responsibilities. In sales, he had to own his daily schedule in a completely different way. He struggled, so we began weekly one-on-ones.

During one conversation, I asked, “Are you enjoying this job?” He immediately said, “No.”

That answer opened the door to an honest discussion. He loved being the yard foreman, but he felt obligated to move up the ladder. He wanted to improve his life, make more money, and avoid feeling stuck. Those are normal ambitions. The problem was not his desire to grow; it was the assumption that growth had to mean leaving the work that fit his strengths.

We built a different plan. He returned to the yard, took on additional responsibilities that justified higher pay, and excelled. He still works in a more advanced position connected to managing the yard. His career moved forward because we stopped confusing a new title with meaningful progress.

Promotable Does Not Always Mean Ready to Lead

Managers often see organized, efficient employees as promotable. They complete a great deal of work, understand the business, and may have a degree or company training. Once promoted, they learn the reports, processes, and daily tasks of the management role. At first, everything appears to be going well.

Then an employee walks into the office carrying months of frustration. They feel unheard. They believe the culture is stagnant. They are close to what I call silent mode: they stop speaking up, stop engaging, and begin mentally checking out.

The new manager thinks: No one taught me how to handle this. College did not prepare me for it. Company training covered metrics and processes, but not emotions, trust, or difficult conversations.

They fumble through the situation. Confidence drops. Avoidance begins. They may call HR—which can be appropriate—but if they simply hand off the problem, the employee may not experience that response as leadership. Trust weakens, frustration grows, and the employee may eventually leave.

Many leaders are developed through trial and error, but that should not be the standard. Organizations cannot complain about turnover, poor culture, and mediocre performance while failing to prepare managers for the human side of leadership.

The Job Changed, but Their Identity Didn’t

A promotion changes more than a job description. It changes how success should be measured.

New managers often search for the sense of accomplishment they had in their previous role. Because they are still learning, they may not feel as capable or productive. That discomfort can pull them back toward the work they already know.

Micromanagement often begins here. The new leader is training a replacement and does not like what they see. They expect the replacement to perform at a level that took them years to reach. Instead of coaching, they step back in and do the work themselves.

This creates two problems: the new employee cannot grow, and the new manager never fully becomes a leader. The title changed, but the identity did not.

Preparation must begin before the promotion—not after the new manager is overwhelmed.

How Employees Can Prepare for Leadership

One piece of advice I share with people who want to advance is simple: You are not promotable until you have trained your replacement.

Training someone else demonstrates that you are ready to move beyond personal performance. It also gives you a safe place to practice the work of leadership before you receive the title.

·    Find someone who wants to learn what you do and make time to teach them.

·    Explain not only the task, but also the judgment behind it.

·    Give honest feedback that helps the person improve.

·    Allow them to practice, make decisions, and learn from mistakes.

·    Share the knowledge you may be tempted to protect.

Do not fall into the trap of believing your knowledge is your edge and giving it away makes you less valuable. Hoarding knowledge keeps more people from advancement than almost anything else. When you develop someone who can eventually become better than you, you are already leading.

“The function of leadership is to produce more leaders, not more followers.”

— Ralph Nader

How Organizations Can Identify Future Leaders

The new manager is not entirely at fault when an organization promotes them without preparation. They may have learned to manage metrics, tasks, and processes, but people require a different capability: leadership.

Organizations need to notice more than visible output. Some natural leaders are not the loudest people in the room. They may not advertise every accomplishment or have the strongest internal network. Yet they rally the team, help others, show empathy, keep commitments, and earn respect.

These qualities are gold. They may be less visible than raw productivity, but they are often stronger indicators of leadership potential.

When evaluating a candidate for a new manager or leadership role, ask:

·    Can this person manage the work, lead people, or do both?

·    How do they respond when someone is struggling or frustrated?

·    Do they share knowledge and help others succeed?

·    Do they strengthen the culture through honesty, empathy, and respect?

·    Can the technical parts of the role be trained more easily than the people skills they already demonstrate?

Sometimes the best future leader looks like the second-best candidate on the traditional corporate scorecard. Leaders need to be willing to see what the scorecard misses.

Build Leadership Before You Award the Title

If organizations want better leaders, they must teach leadership with the same seriousness they teach business metrics. That means giving future managers practical experience before promotion and continued support afterward.

·    Let high-potential employees mentor or onboard others.

·    Teach coaching, delegation, feedback, conflict resolution, and emotional regulation.

·    Use real scenarios—not only policies and presentations—to prepare people for difficult conversations.

·    Set clear expectations for how leaders develop people, not only how they produce results.

·    Make leadership growth part of regular one-on-ones and succession planning.

A leadership development plan should help people understand the identity shift before they are asked to live it. Their success will no longer be measured only by how much they personally accomplish. It will also be measured by how well they develop others.

Great Leadership Starts With a Different Definition of Success

Great employees can become great leaders, but the transition is not automatic. Individual performance may reveal discipline, knowledge, and commitment. Leadership requires those strengths to be redirected toward other people.

The goal is not to stop promoting high performers. The goal is to stop assuming performance alone is preparation.

As soon as a high performer becomes a leader, the job changes. Their first real test is often delegation: letting go of the work that made them successful so someone else can grow. Knowing they should let go is one thing. Knowing how to let go well is something entirely different.

NEXT IN THE LEADERSHIP JOURNEY

Why Delegation Fails—and How Leaders Can Turn It Into One of Their Greatest Strengths

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