Hamilton Bean, Ph.D., MBA, APR, is Professor and Chair of the Department of Communication at the University of Colorado Denver. He previously served as Director of the University of Colorado Denver’s International Studies Program. He specializes in the study of communication and security. He has applied communication theory to the study of extremism, counterterrorism, disinformation, intelligence, public diplomacy, and resilience. His co-edited Handbook of Communication and Security (Routledge, 2019) was produced under the auspices of the International Communication Association. He has earned funding from the U.S. Federal Emergency Management Agency, U.S. National Oceanic and Atmospheric Administration, and the Japan Foundation’s Center for Global Partnership to study mobile public alert and warning. He has served as a consultant to the U.S. Department of Defense and U.S. Department of State. He is member of seven journal editorial boards. His book Mobile Technology and the Transformation of Public Alert and Warning (Praeger Security International, 2019) won the 2021 Sue DeWine Distinguished Scholarly Book Award from the Applied Communication Division of the National Communication Association.