Deanna D. Sellnow, Ph.D., is a Luminary Research Professor of Strategic Communication in the Nicholson School of Communication at the University of Central Florida. Her research focuses on instructional communication as it occurs in conventional and nonconventional classrooms (and in risk and crisis contexts in particular). She also studies the persuasive power of popular culture, particularly in entertainment media (music, movies, television, advertisements). Published in regional, national and international journals, Dr. Sellnow is co-author of Communicate!, COMM, SPEAK, and The Challenge of Effective Speaking, all with Cengage. She also wrote The Rhetorical Power of Popular Culture: Considering Mediated Texts, with Sage. Dr. Sellnow is also the former editor of the Journal of Communication Pedagogy, Communication Teacher, and the Basic Communication Course Annual.