Simply put, this can be the most powerful influence in a Communication Transaction. When there is a discrepancy between verbal and non-verbal behavior, people believe the non-verbal factor. Learn how to control this behavior and enhance your personal and professional success. Mike Siegel is one of the nation’s foremost experts in media and communication. He is an author, attorney and nationally syndicated radio talk show host, with a PhD in Rhetoric and Communications. Few others are as uniquely qualified for understanding the nature of human communication, the political system and business positioning.