Kai Heidemann is Lecturer (TT) of Sociology at Maastricht University in the Netherlands. His research merges the study of social movements with the sociology of education and sociolinguistics. Kai is particularly interested in the qualitative and historical analysis of community-based education reform initiatives and the ‘re-purposing’ of public schools by grassroots actors. He has explored these themes in Europe and South America. Kai completed his PhD (Sociology) at the University of Pittsburgh and M.A. (Cultural Anthropology) at the University of Massachusetts at Amherst. His work has most recently been published in Mobilization and the Journal of Language, Identity and Education.