How to Spot High Performers Who Are Quietly Stuck: An L&D Guide to the Activation Gap

Your best employees are not the ones you should be worried about losing.

Except they are.

The manager who hits every number. The individual contributor who never misses a deadline. The team lead everyone points to as "solid." They show up. They deliver. They give no visible sign that anything is wrong.

Then, six months later, they resign. And the exit interview says something vague about "new opportunities," and nobody in the room can explain what actually happened.

Here's the uncomfortable truth: your highest performers are often your most at-risk employees, and standard engagement surveys are not built to catch it.

I spent nearly a decade at Google, on the founding team that helped scale Google Cloud, and I've coached senior leaders across tech, finance, and healthcare for the past several years. This post breaks down what I call the Activation Gap: the specific pattern that causes high performers to disengage quietly, long before HR data shows any warning sign, and the framework L&D and people teams can use to catch it in time.

Most retention frameworks are built to catch struggle: missed deadlines, declining scores, visible conflict.

High performers don't struggle visibly. They compensate.

A high performer who is disengaging doesn't produce less. They produce the same, or more, while quietly deciding the role no longer has anywhere left to take them. The performance data stays flat or even improves right up until the resignation letter.

I call this the Activation Tax: the compound cost of achievement that isn't going anywhere. Every quarter a high performer spends executing without a visible next step, they're paying interest on a decision they haven't made yet. Eventually, someone outside your organization offers to cancel that debt, and they take it.

The problem isn't that these employees lack engagement. It's that your systems are built to measure output, not direction. And output is the last thing that changes.

Turnover. Replacing a skilled employee typically costs 50 to 200 percent of their annual salary once you account for recruiting, onboarding, and lost productivity during the gap. For senior or specialized roles, that number climbs higher.

Compounding loss. High performers rarely leave alone. They leave with institutional knowledge, informal influence over their peers, and often take one or two other people's attention with them in the following months.

Silent disengagement before the exit. Gallup's research consistently shows engaged teams significantly outperform disengaged ones in productivity terms. A high performer who has mentally exited but not yet resigned is still on payroll and still dragging on team output, often for months.

Succession risk. Every high performer who leaves unexpectedly is a leadership gap you didn't plan for. Organizations that catch disengagement early build real bench strength. Organizations that don't are perpetually surprised by it.

This is the four-part framework I use with organizations to close the gap between "performing well" and "actually engaged." Most people teams do one or two of these. Skipping any of them is why the gap stays invisible.

Stop screening only for underperformance. Build in a second lens that looks for high performers who have stopped talking about the future.

What to watch for:

None of these show up in a performance review. They only show up if a manager is trained to look for them.

When a high performer is stuck, managers almost always misdiagnose it as a skill gap. It's rarely a skill gap.

In my work with clients, the actual blocker is usually what I call a permission gap: the employee has already identified what they want next. What they don't have is a clear, safe way to say so out loud, especially if asking might read as ungrateful or premature.

The fix isn't more training. It's a direct, specific question:

"If you could design your next 18 months here, what would it include?"

Most managers never ask this. Most employees have a detailed answer waiting.

High performers are rewarded for constant forward motion. Nobody builds them a structured moment to actually evaluate whether the motion is still going somewhere.

This is where a Strategic Pause matters: a deliberate, scheduled checkpoint, separate from the performance review cycle, where the only agenda is direction, not output. No deliverables. No scoring. Just the question of whether the current path still makes sense.

Teams that build this in formally, quarterly stay conversations, skip-level check-ins focused purely on trajectory, catch the Activation Gap months before it becomes a resignation.

Most recognition systems reward the deliverable. Almost none reward the employee who raises a hard question about direction, flags their own disengagement honestly, or asks for a role redesign instead of quietly polishing their resume.

I call this shift Return on Intention: measuring and rewarding whether someone is moving with purpose, not just whether they hit the number. Organizations that build this into how they recognize people see fewer surprise exits from their best employees because staying honestly stops being riskier than leaving quietly.

Treating high performers as self-sufficient. The assumption that top performers don't need development attention is exactly what lets the Activation Gap go undetected. They need a different kind of attention, not less of it.

Relying on annual engagement surveys. By the time an annual survey shows a dip, the employee has often already decided. Surveys measure sentiment after the fact, not direction in real time.

Confusing retention with development. Keeping someone in a role is not the same as keeping them growing in it. Retention without growth just delays the resignation.

Making the stay conversation about the company's needs. A stay conversation framed around "how do we keep you" reads as self-interested. Framed around "what would make the next 18 months worth it to you," it gets an honest answer.

You don't need a new platform or a budget line to start closing this gap. Start here:

Not your most obviously disengaged employee. Your best one, the one everyone assumes is fine.

"If you could design your next 18 months here, what would it include?"

Then actually listen to the full answer before responding.

A single 30-minute conversation, separate from any review cycle, with no agenda except their trajectory.

One conversation catches one person. A quarterly practice catches the pattern across your whole team.

Your best people are not immune to disengagement. They're just better at hiding it, because hiding it is the exact skill that made them your best people in the first place.

The Activation Gap framework in one line: notice the mask, name the real blocker, create the pause, reward presence over output.

Miss it, and you'll keep losing your strongest performers to competitors who simply asked them the question you didn't.

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Look at direction, not output. A disengaging high performer keeps delivering. What disappears is future-facing talk: questions about growth, volunteered ideas, interest in what's next.

No. Reviews are about output and are inherently evaluative, which makes people cautious about being honest. A Strategic Pause works best as a separate, lower-stakes conversation focused purely on trajectory.

That's still valuable information. Even when you can't build the exact next step, knowing what someone wants lets you have an honest conversation about timeline and options, instead of losing them without warning.

Quarterly is a reasonable baseline for most teams. High-performing or flight-risk employees may warrant it more often.

The signals are harder to catch remotely because they're often nonverbal in person: a shift in energy in meetings, less time spent in casual conversation. Remote teams need the structured Strategic Pause even more, since informal detection is less reliable.

Lilah Jones is an executive coach, keynote speaker, and founder of The Activated Leader. She spent nearly a decade at Google on the founding team that scaled Google Cloud, and prior to that at Microsoft. She works with C-suite leaders, GTM executives, and senior professionals navigating transition, identity, and what's next.