Mark by Mark Graban

Mark Graban | Lean Leadership, Psychological Safety, Continuous Improvement Dec 18, 2025

How a Mistake Turned Jingle Bells into a Christmas Song—and What It Teaches Us About Assumptions

“Jingle Bells” wasn’t meant to be a Christmas song—and that misunderstanding may be its greatest mistake. Listen:…

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Mark Graban | Lean Leadership, Psychological Safety, Continuous Improvement Dec 15, 2025

From Medicare Fraud to Military Leadership: Learning Accountability After a Career-Defining Mistake

A conversation with Dr. Josh McConkey about mistakes, moral courage, and accountability in high-stakes leadership.…

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Mark Graban | Lean Leadership, Psychological Safety, Continuous Improvement Dec 11, 2025

How a Lab Error Led to an Unnecessary Surgery—and What Healthcare Teams Can Learn

A single lab error led to an unnecessary surgery—and revealed how easily systems can fail patients when learning…

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Mark Graban | Lean Leadership, Psychological Safety, Continuous Improvement Dec 8, 2025

Recovering from Workplace Bullying—and What Leaders Often Miss

Andy Regal’s story shows how workplace bullying persists not because of bad actors alone, but because leaders and…

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Mark Graban | Lean Leadership, Psychological Safety, Continuous Improvement Dec 4, 2025

How a Landing Gear Error Was Caught Before Disaster—and Why Systems Save Lives

A landing gear error nearly ended in disaster—and exposed how small breakdowns can cascade when systems don’t catch…

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Mark Graban | Lean Leadership, Psychological Safety, Continuous Improvement Dec 1, 2025

How Curiosity Helps Leaders Avoid Assumptions and Unlock Better Performance

Debra Clary’s favorite mistake started with missing a train stop—and led to a lifelong insight about why curiosity,…

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Mark Graban | Lean Leadership, Psychological Safety, Continuous Improvement Nov 24, 2025

From Toxic Culture to Empathic Leadership: Lessons in Empathy, Accountability, and Healing

A conversation with empathy researcher and TEDx speaker Melissa Robinson-Winemiller about toxic systems, self-empathy,…

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Mark Graban | Lean Leadership, Psychological Safety, Continuous Improvement Nov 20, 2025

Why Unlearning Old Habits Is Harder Than Learning New Ones—and What Leaders Can Do

A small pickleball mistake reveals how assumptions, habits, and split-second decisions can quietly undermine…

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