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The Peter principle is how people get promoted for doing their current job well — until they reach a role they're bad at, and there they stay. Examples:
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5 examples of the peter principle
The great salesperson made manager Brilliant at selling, hopeless at managing — promoted out of the very thing they were good at.
The star coder turned lead Loses the coding they loved and excelled at for meetings they're poor at.
Why orgs fill with mediocrity Almost everyone rises to the level where they stop being good — and stops there.
The promotion that backfires The reward for great work is a job that needs entirely different skills.
Keeping people in their zone Smart companies offer raises and senior individual-contributor tracks, not just management, to avoid it.
How to spot it in yourself
Before chasing or granting a promotion, ask whether the next role is the same work scaled up or a genuinely different skill.
Separate "great at this job" from "would be great at the next one" — they're often not the same.
Consider growing deeper in a role you excel at instead of up into one that doesn't fit.
Go deeper — get the full book
Loved these examples? Listen to The Peter Principle by Laurence J. Peter free with an Audible trial — or read it in full.
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