Jens Hälterlein is a visiting post-doctoral researcher from the Centre for Security and Society at Freiburg University (Germany). He obtained his PhD from Jena University with work on the governmentalities of consumption. Since then, he has worked in several research projects on technologies of (in)security, ranging from algorithmic video surveillance to social media applications in emergency and disaster management. His broader interest is in the technological performativity of securitization. Having a background in Sociology, his research draws from Surveillance Studies, STS, Critical Security Studies, and Governmentality Studies. He is at the SSC for March and April 2018.