Gwen Bouvier is a professor at the Institute of Corpus Linguistics and Applications, Shanghai International Studies University, China. Her main research interest is digital communication, specifically civic debate and activism on social media. Professor Bouvier's publications have drawn on critical discourse analysis, multimodality based on social semiotics, and online ethnography. She is the Associate Editor for the journal Social Semiotics.

Joel Rasmussen is a senior lecturer in the School of Humanities, Education and Social Sciences at Örebro University, Sweden. His research focuses on how communication processes shape responsibilities and measures regarding risk and health in organizations and society. He is interested in how public sector institutions are refashioning identity through social media. His work is published in international journals such as Human Relations, Discourse & Communication, Safety Science, PLoS ONE, and others.