Written by Dr. Suzy Burke

It’s 9:00 a.m., and the leadership team gathers for the weekly meeting.

Coffee cups settle. Laptops open. A quick joke lands.

Then the CEO walks in.

Nothing dramatic happens. No announcement. No speech. Yet something shifts.

The CEO had a rough morning. Yesterday’s numbers missed expectations. A board member pressed hard. The next quarter feels uncertain.

None of this is said aloud.

But people feel it anyway.

The CEO’s smile tightens. Attention drifts. Patience shortens.

Within minutes, the room changes.

People choose their words more carefully.

Ideas sound safer.

Energy dips.

What happened? Emotion, plain and powerful.

Psychologists call this emotional contagion - the way moods spread through a group almost as if by magic.

Science helps explain why: humans are wired to read one another. Our brains constantly scan faces, tone, and posture for cues about what’s happening.

A key mechanism behind this is the mirror neuron system, identified by Giacomo Rizzolatti. These neurons fire not only when we act, but when we observe others acting - creating an internal simulation. That’s why:

A yawn spreads.

A wince is contagious.

A smile invites a smile.

Emotion moves through teams like ink through water – quietly and completely.

Why leaders amplify it

Not all emotions spread equally.

Leaders are emotional amplifiers.

People watch them closely. Every reaction becomes data:

• Is this under control?
• Should I feel concerned?
• Is it safe to speak—or safer to stay quiet?

Teams unconsciously calibrate their emotional state to match the leader’s.

That means a leader’s inner state rarely stays private.

It becomes the environment.

The source leaders overlook

Many assume emotional contagion starts with behavior.

But it usually starts earlier, with self-talk.

The internal dialogue running through a leader’s mind shapes the signals others pick up.

In our framework at Thinking Under Pressure, we call this inner voice the Monster: the part scanning for risk, anticipating failure, questioning decisions.

It’s protective, but it spreads tension.

The alternative is the Maverick: a mindset grounded in curiosity, perspective, and choice.

Shift the thinking, and everything else follows.

Calm spreads.

Confidence spreads.

Possibility spreads.

The leadership shift

The goal isn’t to erase emotion. It’s to recognize that emotions are signals, not instructions.

When leaders notice their internal state and choose how to show up, they interrupt the automatic spread of tension and replace it with clarity, confidence, and trust.

Influence isn’t announced with words - it’s felt through presence.

And it begins the moment a leader walks into the room.

Leaders don’t just shape strategy.

They shape the emotional weather everyone works in.