Timothy L. Sellnow is a professor of strategic communication in the Nicholson School of Communication and Media at the University of Central Florida in Orlando. Dr. Sellnow’s research focuses on instructional risk and crisis communication to diverse publics, and strategic communication for crisis management and risk mitigation in government, organizational, and health settings. He has conducted funded research for the Department of Homeland Security, the United States Department of Agriculture, the Centers for Disease Control and Prevention, the Environmental Protection Agency, the United States Geological Survey, and the World Health Organization. He has also served in an advisory role for the National Academy of Sciences and the Food and Drug Administration. His work on crisis, risk, and communication has appeared in the Handbook of Crisis and Risk Communication; International Encyclopedia of Communication; Communication Yearbook; Handbook of Public Relations; Handbook of Applied Communication Research; Public Relations Review; Communication Studies; Journal of Business Ethics; Journal of Business Communication, Argumentation, and Advocacy; Critical Studies in Media Communication; Journal of Applied Communication Research; Health Communication; Journal of Health Communication; Risk Analysis; Journal of Contingencies and Crisis Management; and Management Communication Quarterly. Dr. Sellnow is the coauthor of six books and coeditor of two books on crisis and risk communication, and he is the past editor of the Journal of Applied Communication Research and past recipient of the National Communication Association’s Gerald M. Phillips Award for Distinguished Applied Communication Scholarship.