One Toxic Employee Can Destroy Your Team | Episode 15

In this episode of Champion of the Underdog, John Graci addresses a hard leadership reality: toxic employees don’t just affect morale, they attract more toxic behavior. And when leaders tolerate it, they unintentionally help it spread.

John explains that culture isn’t defined by mission statements or values posted on the wall; it’s defined by what leaders allow. When one toxic employee is ignored, good employees notice. Trust erodes, accountability disappears, and disengagement grows. Nothing damages a team faster than watching a leader tolerate someone who clearly doesn’t care.

He challenges leaders to look in the mirror. Toxic employees are rarely just an HR problem; they’re a leadership problem. Leaders hire them, keep them, and often avoid the tough conversations required to address the behavior. And when standards aren’t enforced, double standards take over.

For leaders who don’t have the authority to remove toxic employees, John offers a practical approach: have direct, fact-based conversations with senior leaders. Ask what evidence is missing, where the case fell apart, and what accountability looks like moving forward. Ignoring the issue only guarantees more disengagement and more people “mailing it in.”

Key Takeaways:

• Toxic behavior spreads when leaders tolerate it.
• What leaders allow becomes the culture.
• One bad employee can drive away multiple good ones.
• Double standards destroy trust and accountability.
• Leaders are often both the problem and the solution.
• People don’t change without meaningful consequences or rewards.

Bottom line: leadership isn’t about who’s right, it’s about what’s right.

And as always: If you’re not coaching it, you’re allowing it.

Resources & Links:

• John's Digital Courses for Team Leads, Managers, and Supervisors
• John's Website
• Connect with John on Linkedin

If you’re a leader, HR professional, or manager looking for no-nonsense strategies to keep your team engaged and high-performing, this episode is packed with insights you can use right away.