In a recent national survey, nearly 3,000 American academic leaders identified problem behavior of employees as their top concern. Lackluster performance was the most common problem; bullying and being passive-aggressive were less common but the most troubling. Most of us have worked with a person whose conduct disrupts or interferes with the performance and productivity of others, sometimes of the entire department. Confronting a problem performer with confidence and optimizing their performance are what this article is about.