Thomas  is an Associate Professor at the Department of Criminology and Sociology of Law at the University of Oslo. His work is published in journals like Ethnography, European Journal of Criminology, Punishment & Society and Qualitative Inquiry. He is the author of the book Power and Resistance in Prison: Doing Time, Doing Freedom, and he is series editor (with Ben Crewe and Yvonne Jewkes) of the book series Palgrave Studies in Prisons and Penology. He is currently working on a study that combines fieldwork in Kongsvinger prison, Norway’s single prison dedicated solely to foreign prisoners and the Police Immigration Detention Centre at Trandum, its only closed immigration detention centre.


Research projects