Silvio Waisbord is Professor and Director of Graduate Studies in the School of Media and Public Affairs at George Washington University. His books include Media Sociology: A Reappraisal (editor, Polity, 2014), Reinventing Professionalism: Journalism and News in Global Perspective (Polity, 2013) and the co-edited compilation Global Health Communication (Wiley, 2012). He is editor-in-chief of the Journal of Communication and former editor-in-chief of the International Journal of Press/Politics. Dr. Waisbord has published articles on news and politics, journalism, global health communication, communication and social change, and media policy. He has lectured and worked in more than 30 countries, has written or edited 10 books, and published more than 100 journal articles, book chapters, and newspaper columns. He holds a Licenciatura in sociology from the Universidad de Buenos Aires, and Ph.D. in sociology from the University of California, San Diego.