She has been visiting scholar at the University of Iowa (2010) and Muhlenberg College (2008) in the US, at Universidade Cardinal Stefan Wyszyński in Poland (2017, 2018), and at Universidad de Navarra, Spain (2019). Between 2014 and 2018, she was editor-in chief of Comunicação Pública journal. Among her research interests are sociology of communication, social theory of the media in the USA and Canada, and frameworks of the media on gender issues. Her published work has appeared in international and national journals and books. Subtil is co-editor and author of Media and Portuguese Empire (Palgrave Macmillan, 2017) and A Crise do Jornalismo em Portugal [The Crisis of Journalism in Portugal](Deriva/Le Monde, 2017). She is also author of Compreender os Media. As Extensões de McLuhan (2006) [Understanding the Media: The McLuhan Extensions].