Prof. Dr. David J. Krieger is an American/Swiss philosopher and social scientist. He is currently co-director of the Institute for Communication & Leadership, Lucerne, Switzerland. His work focuses on communication theory, actor-network theory, social systems theory, new media, semiotics, hermeneutics, intercultural communication and associated fields.

Prof. Dr. Andréa Belliger is prorector of the Teachers’ Training University of Lucerne, Switzerland. She is also co-director of the Institute for Communication & Leadership in Lucerne. Her work focuses on communication science, new media, actor-network theory, eHealth, eSociety, and social media.

Together David J. Krieger and Andréa Belliger have published many articles and books in the area of eSociety, new media, and social communication.