Mark by Mark Graban

Mark Graban | Lean Leadership, Psychological Safety, Continuous Improvement Jan 15, 2026

“But I Wore the Juice”: The True Story That Inspired the Dunning–Kruger Effect

Listen: Check out all episodes on the My Favorite Mistake main page. What does a failed bank robbery have to do with one…

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Mark Graban | Lean Leadership, Psychological Safety, Continuous Improvement Jan 12, 2026

Choosing Engineering When I Was Wired for People — Angie Callen

In this episode of My Favorite Mistake, Angie Callen shares why choosing engineering — despite being wired for people…

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Mark Graban | Lean Leadership, Psychological Safety, Continuous Improvement Jan 5, 2026

Jason Sherman on Startup Mistakes: Co-Founders, Smart Money, and Building the Right MVP

Jason Sherman shares the startup mistakes that taught him the hard way about co-founders, “smart money” versus just…

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Mark Graban | Lean Leadership, Psychological Safety, Continuous Improvement Jan 1, 2026

New Year’s Resolutions Fail When We Rely on Willpower Instead of Systems

New Year’s resolutions fail far more often than they succeed. In this Mistake of the Week, Mark Graban explores why…

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Mark Graban | Lean Leadership, Psychological Safety, Continuous Improvement Dec 27, 2025

Nick Saban’s “Dumbest” Decision—and the Leadership Lesson Behind It

Nick Saban once called a fourth-down decision the “dumbest” mistake of his coaching career—even though his team went…

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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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