Jerry A. Hendrix, Ph.D., is Professor Emeritus at American University, Washington, D.C., where he taught for thirty-seven years. He is an accredited member of the Public Relations Society of America.
Darrell C. Hayes is director of the Weekend Public Communication Graduate Program and an adjunct associate professor at American University's School of Communication, Washington, D.C. He conducts frequent crisis communication workshops for government agencies. Before joining the faculty, he had more than 15 years of experience in public relations with technology firms, with nonprofit associations, and as a government communication manager. He also served as the managing director of the Aerospace Education Foundation. He is an accredited member of the Public Relations Society of America.