The Institute of Medicine (IOM) (1999) published the popular report To Err is Human: Building a safer health system addressing the topic of patient safety in healthcare including the causative factors of errors and unanticipated events in the healthcare industry. Chapter Four of this report, Building Leadership and Knowledge for Patient Safety (IOM) (1999), signifies the importance of strong leadership creating a culture of safety in the complex clinical arena. IOM Chapter Four Building Leadership and Knowledge Summarize your thoughts of this section of the IOM (1999) report and describe how the DNP as healthcare leader can facilitate achieving a safer environment.