Caroselli's "The Language of Leadership" Author: Dr. Marlene Caroselli Leadership is demonstrated by words or actions. A effective leader will possess excellent communication skills through the use of language. "The language of power must be used to make things happen, to coalesce people and purpose for the ultimate good of the organization." (Caroselli 1990, 34) In the book, "The Language of Leadership", the author Dr. Marlene Caroselli states that our language is used to communicate, whether it be verbally or non verbally (communicating with our bodies). She believes that for a person to demonstrate powerful leadership, he or she must h