is Assistant Professor of New Media and Digital Culture in the Department of Media and Culture Studies at Utrecht University. With a background in film and new media studies, his primary field is game studies, in which he teaches and writes about a variety of topics including game history and culture, game and play-related literacy issues, fan and participatory culture, cheating and other forms of deviant play, serious and pervasive games, and media comparison. Glas is a founding member of Utrecht University's Center for the Study of Digital Games and Play. His book Battlefields of Negotiation: Control, Agency, and Ownership in World of Warcraft
(2012) was published by Amsterdam University Press.