Deborah H. Gruenfeld

Working well with others is critical to professional success, yet many people struggle with "authority issues" that can block their progress. Professor Gruenfeld combines research on the psychology of power with the acting skills of the theater to illustrate how our nonverbal behavior affects how we are perceived in a hierarchy—far more than the words or arguments we use. In fact, she notes, our words account for only 7% of our argument's impact....