Organizations often promote their best performers into management with the best of intentions. It feels fair. It feels logical. It feels earned. And yet, this well-meaning decision frequently produces the opposite result.
In fact, many employees find themselves underappreciated, undertrained, and underutilized. Then they struggle in roles they were never properly prepared to perform. This is not a failure of character but of training and experience.
1. Performance and Leadership Are Different Skillsets.
Strong individual contributors succeed by doing the work themselves. Managers succeed by ensuring the work gets done through others. Those are different psychometrics. Without training, the transition is abrupt and unforgiving.
Technical proficiency rewards precision, speed, and personal output. Leadership requires judgement, communication, prioritization, and influence. This disconnect is often described through the Peter Principle — people are promoted based on past success until they reach a role that demands entirely different capabilities.
However, leadership and expertise are not mutually exclusive. But people tend to lean on the skills that once made them successful, even when those skills no longer serve the role.
2. The Expert Mindset Turns into Micromanagement
Old habits are hard to break. What made someone valuable as an employee often becomes a liability as a manager.
High performers are accustomed to stepping in, fixing problems, and controlling outcomes. When promoted, that instinct doesn’t disappear. In fact, it intensifies because it’s the ONLY model they know. The result is micromanagement.
Managers have defended this practice by stating something along the line of, “Well, I just had that job ten years before the person who took my place. I understand what works and what doesn’t. I know the most efficient path.” To which, my response is, “Right, you’re micromanaging.”
Not only are the two positions different mindsets, but they are also different PEOPLE. What is efficient for one may not work for another. Sometimes, I get push back. “But what if they make a mistake?” My response is always the same: “Let them.” Where it’s not a matter of safety or legalities, of course. Generally, people improve after they have made a mistake, so… let them make mistakes.
Micromanagement slows teams down, suppresses initiative, and erodes trust. Productivity doesn’t increase when people throw up their hands and say, why bother? A mangers job is to move the team forward.
3. Technical Credibility Does Not Equal People Credibility
Expertise may impress people but leadership moves them. If a manager relies solely on technical authority, he is now obligated to validate all technical decisions in order to maintain a management façade. They struggle with developing a culture of efficiency.
Influence comes less from answers and more from how leaders listen to, guide, and develop the team.
4. Promotion Is Not Development
According to a survey commissioned by Forbes a few years ago, 58% of newly promoted bosses have received no management training at all. It makes one wonder whether the C-Suite thinks there are “leadership switches” that are flipped at time of promotion. Sadly, no.
Too many organizations treat leadership as an outcome rather than a discipline. It is part art and part science. New managers are handed assignments without guidance, responsibility but no authority. Remember the section about micromanaging earlier? Unless that supervisor seeks her own development, she’s already set up for failure.
5. Why This Fails Fastest in Sales
If this gap is costly anywhere, it is in sales. It’s a double whammy. Not only does the organization promote an inexperienced manager, but it also more than likely removes one of the best pieces from the board. Management and sales are two completely different skills. Sales are transactional, leadership is transformational.
And if that new boss isn’t tolerant enough to develop the team, both are set to fail. Great salespeople are intuitive about what to say and do, but generally not patient enough to develop others. If you have a sales force of a dozen people, your third or fourth rep may be best suited for the job.
Being the best in business development does not automatically qualify someone to lead a sales team. Leaders, STOP promoting your best sales rep to the position of sales manager!
What To Do
If a management position is vacant, look for someone who is competent within the industry, yet has the heart of a teacher. Because they will be teaching. Ideally, do this a few weeks before the position becomes available.
Invest in managerial and supervisory training before you believe there to be an open position. Then, give that new boss support by getting them the training they need. Workshops, good instructional videos or even a consultant or coach. Give them $200 and tell them to go to the bookstore. Set them up for success and get them the resources they need.
© 2026, Blaine Little is an author, coach and public speaker as well as the Founder & CEO of Momentum Seminars Training & Coaching. We help businesses grow by investing in their people. For more on about our programs, visit www.MomentumSeminars.com This material is original and with the exception of graphics and basic editing, composed without the aid of Artificial Intelligence.