Tom Krieglstein calls them trending leaders: people at lower ranks who deliver strong results, influence peers, and live the company's values. They're often underestimated in their titles but ready for bigger roles if someone pushes them.
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So what is a trending leader? Well, trending leaders are usually newish members of your team who are not only achieving good results, but they're also influencing the peers, the people around them. They're adapting to the challenges innovatively. They're embodying the values that define your culture. These are the folks who, with a little encouragement, can go from who, who are they? To wow, where have they been my entire leadership life?
Now that's vital information.
Their titles usually don't match their talent. This is why, in terms of the engagement pyramid, they are your twos and your threes. They are ready to do the work and have a larger capacity to take on more responsibilities. They might not yet, though, realize their own abilities, but with a little nudge, they will step into to those more advanced.