Sergio Roncallo-Dow, Ph.D (Philosophy) and M.A (Communications) from the Pontificia Universidad Javeriana,  Bogotá Colombia. He has been professor and researcher at several universities in Colombia and is now associate professor at the School of Communication at Universidad de La Sabana. He is editor in chief of the journal Palabra Clave . His research interests are the philosophy of technology and communication as well as contemporary aesthetics and, in particular, the relationship between art and technology. In recent years he has dedicated his research to the thought of Marshall McLuhan.