Someone on your team is crushing it. Numbers up, peers respect them, they never miss a deadline. So when the leadership role opens, the decision feels obvious.

It rarely is.

Here are some of the assumptions that drive most promotion decisions, and the gaps they quietly create:

“They’ve earned it.” Promotion as reward is real and human. But rewarding past performance with a role that requires a completely different skill set isn’t recognition. It’s a setup.

“They know the business better than anyone.” Institutional knowledge is valuable. Leading people through ambiguity, conflict, and change is a different discipline entirely. One doesn’t predict the other.

“They present well. They seem ready.” Confidence and presence are easy to read. Judgment under pressure, self-awareness in hard conversations, and the ability to motivate people who are nothing like them? Those take longer to see, and most selection processes never look that deep.

“Good leaders figure it out.” Some do. But by the time it’s clear someone is struggling, the team has already absorbed the cost. Attrition, disengagement, missed execution. The business pays for the learning curve.

Here’s the thing- the pattern is predictable. The strongest individual contributor gets promoted. Suddenly they’re managing people with different motivations, navigating conflict they used to sidestep, and leading meetings where they can no longer just execute their way through. And nobody taught them how to do any of it.

This isn’t a character flaw; it’s a preparation gap.

The most effective organizations we work with at Lodestone treat key promotions the way they treat key investments: with due diligence. Pre-promotion assessments tell you where the capability gaps actually are before they show up as business problems, and then transition coaching helps close those gaps with a behavioral roadmap specific to the person and the role, not just some generic leadership curriculum.

A high performer does not automatically equal a high-capacity leader. But with the right preparation, it can.

About the author : Lydia Rominger, M.S.