Using over 1.5 million assessments from leaders worldwide, renowned psychometrician Dr. Joseph Folkman and leadership legend Dr. Jack Zenger are here to settle the debates and let the data speak for itself. Each week they analyze different leadership traits, trends, and what it really takes to get to the 90th percentile. These short episodes feature compelling stories, research, and actions that leaders can take to improve.

Episode 31: 6 Fatal Flaws That Kill a Leader’s Effectiveness

The 90th Percentile: An Unconventional Leadership Podcast

Published: May, 2021

90th Percentile episode 31 fatal flawsDetails

Chances are you’ve known or read about great leaders and learned that often they have weaknesses.  From that, you have probably concluded that you don’t have to be perfect to be a great leader. But there are some weaknesses that cannot be overlooked. In this episode, we are going to talk about serious weaknesses- some would label these fatal flaws- and the six that effectively kill a leader’s effectiveness.

Connect with Jack Zenger:


Zenger Folkman hosts an exclusive live webinar every month, where you can meet Jack Zenger and Joe Folkman, and join in a conversation about their latest research in leadership development. Find out more information and register here.

Additional Resources:

6 Fatal Flaws That Kill a Leader’s Effectiveness– ARTICLE

Developing Strengths or Weaknesses– WHITEPAPER  Compelling evidence supports the idea that leaders who focus on their strengths have greater success in their development plans. Thought leader Jack Zenger illustrates why building strengths is the key to a strong development plan.

Stand out as a Leader– VIDEO Thought leader Joe Folkman describes how leaders naturally drive for results.

Learn More

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