
Sep 1, 2026
The culture of any organization is shaped by the worst behavior the leader is willing to tolerate.
Culture isn't what you say you value. It's what you consistently allow.
Every organization has a culture. The question is whether you're creating it intentionally... or accidentally.
This week on Mpactful Messages: The Let's Talk About It Podcast, Mayce DelValle and Missy Washam welcome leadership development expert Matthew Wyndham for a conversation inspired by this week's quote:
"The culture of any organization is shaped by the worst behavior the leader is willing to tolerate." – Gruenert & Whitaker
Matthew explains why culture is built in the small moments that most leaders overlook. Every difficult conversation avoided, every behavior excused, every standard enforced, and every value demonstrated sends a message to the people watching. He shares practical strategies for creating accountability without losing trust, helping teams live out shared values, and building an environment where people know exactly what is expected and feel empowered to contribute at their highest level.
Strong cultures don't happen because leaders hope for them. They happen because leaders choose, every single day, what they're willing to model, reinforce, and refuse to accept.
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Credits:
Mpactful Messages: The Let's Talk About It Podcast is hosted by Mayce DelValle (@maycedelvalle) and Missy Washam (@missywasham).
Special Guest: Matthew Wyndham (leadershipdevelopmenttrainer.com | LinkedIn: Matthew Wyndham)
Edited by Brandon Manzano.
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