Vasilis is an Associate Professor in the Technologies in Practice (TIP) group at the IT University of Copenhagen. He completed his Ph.D. at the University of Linköping in Sweden. His current research focuses on social movements and their use of digital media, radical politics, counter-information, internet activism, and lay expertise. Galis has published on social movements and sociotechnical systems from a Science and Technology Studies (STS) perspective, including editing a recent special issue together with Stuart Blume and Andrés Valderama for the journal Science, Technology and Human Values.

Intelligence-led policing, digitalisation of welfare, social movements, counter-information media, digital resistance, Border Studies, social study of ICT, Science and Technology Studies (STS), Actor-Network Theory, ICT activism, migration studies, critical disability studies, epistemological politics, disability research.