2015 PhD, Department of Sociology, University of Copenhagen on a full research grant from The ROCKWOOL Foundation Research Unit. Dissertation Title: Consequences of Punishment in Denmark. Five Empirical Essays. Supervisors: Mads Meier Jæger and Signe Hald Andersen. Committee: Anders Holm (University of Copenhagen), Robert Apel (Rutgers-Newark School of Criminal Justice), and Paul Nieuwbeerta (Leiden University).2013 Visiting Assistant in Research at Department of Sociology, Yale University, USA. Yale supervisor: Christopher Wildeman.2009 M.Sc. in Sociology, Department of Sociology, University of Copenhagen. Thesis title: Forårsager ledighed kriminalitet? Et metodologisk og empirisk studie af en kausal effekt [Does unemployment cause crime? A methodological and empirical study of a causal effect]. Supervisor: Anders Holm.2006 BA in Sociology, Department of Sociology, University of Copenhagen.