The skills that get you to the top are not always the skills that make you effective once you're there.
The Expert Trap is what happens when a leader's identity stays fused with being the most capable person in the room. On the way up, that identity was an asset. Deep expertise, fast answers, high standards: it's how they got here.
At a certain level, it becomes the obstacle. A leader whose value is tied to having the answer stops asking questions. One who can't be wrong stops hearing feedback. One who is always the best at the thing trains their team to stop thinking because the leader is always thinking for them.
Most leaders in the Expert Trap got there through a career that rewarded knowing. The expert gets called on, gets promoted, gets credibility. The identity forms around competence and identities don't update automatically when the job changes.
Carol Dweck's research on fixed vs. growth mindset is relevant here. Leaders with a fixed orientation tend to interpret challenges to their expertise as threats to their worth rather than invitations to learn. MIT professor Edgar Schein argued that leaders default to telling—asserting answers—when the situation actually calls for asking. The expert does this more than most, because asking feels like admitting a gap.
The team learns to wait. Why think through a problem when the leader will just solve it? Over time, the leader has built a team of order-takers without realizing it and then wonders why no one shows initiative.
There's a ceiling cost too. A leader who can't get out of the expert role can't scale. The organization's growth becomes constrained by one person's knowledge and bandwidth. The Expert Trap doesn't just limit the leader it caps the whole team.
The next time you're in a conversation where you already know the answer, don't give it yet. Ask one question first: What do you think?
This is a genuine inquiry. Then listen long enough to be surprised. The leader who can be taught by their team is more valuable than the leader who teaches. And the team that gets to think becomes the team that can lead.