H. Dan O'Hair is a Presidential Professor in the Department of Communication at the University of Oklahoma. He has published more than seventy research articles in communication, business, management, and psychology journals and volumes. In addition, he has authored and edited twelve books on the topic of communication. O'Hair has been the principle investigator for several grants from business, non-profit, and government institutions totaling more than $4 million. He has served on the faculties of Texas Christian University, New Mexico State University, and Texas Tech University. He served as editor of the Journal of Applied Communication Research, one of NCA's research journals and as associate editor of ten journals in the social sciences. His teaching interests are business and organizational communication, risk communication, and health communication. In 2006, Dr. O'Hair served as President of the National Communication Association, the world's largest scholarly organization devoted to the study and advancement of communication.