Leader Karl Kellenberger Leader Karl Kellenberger

When They Go Quiet

But the nervous system underneath is different.

Addressing It (Without Changing the Rules)

You do not need to soften standards.

You do not need to alter rank structure.

You do not need to eliminate accountability.

You need clarity and consistency.


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Leader Karl Kellenberger Leader Karl Kellenberger

Writing Evaluations for ADHD & Introverted Members

There’s a moment in every evaluation where the pen gets heavy.

You’re not just documenting performance.
You’re shaping someone’s internal narrative.

For many neurodivergent members — especially those with ADHD or strong introversion — evaluations don’t land neutrally.

They land personally.

Because underneath the uniform, many of them carry something you may not see:

Rejection Sensitive Dysphoria (RSD).

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Leader Karl Kellenberger Leader Karl Kellenberger

The Quiet Officer

Not every effective fire service officer leads with volume. Some lead with clarity, calm, and consistency.

The Quiet Officer explores how introverted firefighters navigate station dynamics, build trust without performance, and command scenes through preparation, presence, and quiet confidence—without becoming someone they’re not.

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Leader Karl Kellenberger Leader Karl Kellenberger

When Leadership Becomes Loud

When leadership becomes loud, ego often replaces awareness. This article explores how volume-driven station culture impacts neurodivergent and introverted firefighters, and why steady, psychologically safe leadership creates stronger crews, clearer thinking, and better outcomes when it matters most.

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Leader Karl Kellenberger Leader Karl Kellenberger

A Leader’s Guide to Supporting Neurodivergent Recruits

Neurodivergent recruits don’t need to be fixed—they need to be understood. This Leader’s Guide helps fire service officers recognize different cognitive processing styles, reduce unnecessary barriers, and build training environments where neurodivergent recruits can learn, adapt, and succeed without being forced to mask who they are.

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Leader, Responder Karl Kellenberger Leader, Responder Karl Kellenberger

What Not to Say

Well-intended words can unintentionally dismiss, overwhelm, or isolate neurodivergent responders. This article explores common phrases that cause harm and explains how language can either erode trust or create psychological safety.

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Refections, Responder, Leader Karl Kellenberger Refections, Responder, Leader Karl Kellenberger

The Hardest Mayday

When you’re wired to solve your own problems, asking for help feels like failure. When you’ve built an identity around competence and control, needing support feels like weakness—even when you’d never judge someone else for it.

So they suffer quietly.

They carry the bad calls home.
They replay decisions in their head at 0300.
They sit in their truck after shift, not ready to go inside yet.

Not because they don’t trust their crew.

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