Experienced executive coaching newly promoted managers

Why High Performers Fail as Managers (And How to Prevent It)

October 27, 2026•3 min read

By Vaneese Johnson, The Boldness Coach | On the Move Careers, Inc.

Edition-7


It happens in almost every organization. Someone is exceptional at their job — technically sharp, highly productive, respected by their peers. So leadership does what feels logical: they promote them.

And then everything changes.

The same person who was a standout individual contributor becomes a struggling manager. Their team is frustrated. Results are slipping. And everyone is quietly wondering what went wrong.

What went wrong is this: technical excellence and leadership readiness are two completely different things — and promoting one does not automatically produce the other.

The Promotion Trap

This is one of the most common — and most costly — patterns in organizational leadership. And it is not the fault of the person who was promoted. It is a systems failure.

Most high performers are promoted because of what they can do, not because of what they know about leading, developing, and motivating others. They step into a management role without the tools, coaching, or development they need to succeed in a fundamentally different kind of work.

The skills that make someone great at execution — focus, precision, personal accountability, drive — can actually work against them in leadership if they are not paired with people skills, emotional intelligence, and the ability to develop others.

Promoting your best performer without preparing them to lead is not a reward. It is a setup for failure — for them and for their team.

What Leadership Readiness Actually Requires

Leadership readiness is not about potential alone. It is about preparation. Before you promote someone into a people leadership role, they need development in:

People intelligence. The ability to read a room, navigate conflict, give effective feedback, and build trust across different personality types and work styles.

Coaching over directing. Great leaders develop their people. That requires a mindset shift from doing the work to enabling others to do the work — and do it well.

Accountability without micromanagement. Holding a team to high standards while giving them the autonomy to perform is a skill. It does not come naturally to most high performers who are used to controlling their own outcomes.

Your best performers deserve to succeed in leadership. Give them the development to get there — before you hand them the title.

A Better Approach

The fix is not to stop promoting from within. Quite the opposite — internal promotion is one of the most powerful retention and culture tools available. The fix is to develop before you promote.

Identify your high-potential employees early. Give them stretch assignments, mentoring, and leadership development experiences before a role opens up. Build the skills alongside the opportunity — so when the moment comes, they are ready for it.

I have seen this approach transform organizations. Leaders who were developed intentionally step into roles with confidence. Their teams feel it. Performance follows.

Your best performers have everything it takes to become your best leaders. But they need more than a promotion to get there. They need a plan.

Know Where Your Organization Stands.

Take the Free Workforce Strategy Assessment → otmcareers.com

About the Author

Vaneese Johnson is The Boldness Coach™ and founder of On the Move Careers, Inc. — We provide bold Workforce Strategies that build future-ready leadership cultures and move organizations forward. Learn more at otmcareers.com.

Vaneese Johnson
Vaneese Johnson is the Founder and CEO of OTM Careers, a workforce strategy firm dedicated to helping organizations assess, customize and implement people strategies that drive results. With 25+ years of leadership experience, she partners with clients to build future-ready teams and cultures.
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