03/2019 – today Professor of Public Law, Migration Law and Human Rights Law at Friedrich-Alexander-University Erlangen-Nürnberg
10/2018 – 02/2019Visiting Professor at the Institute for European Law and International Law at Vienna University of Economics and Business
03/2017 - todayDirector of the Emmy-Noether Research Group funded by the German Research Foundation (DFG) on “Transnational Solidarity Conflicts: Constitutional Courts as Fora of and Players in Conflict Resolution”
03/2017 - today
Senior Research Affiliate at the Max Planck Institute for Comparative Public Law and International law, Heidelberg
06/2016 – 02/2017 Senior Research Fellow at the Max Planck Institute for Comparative Public Law and International law, Heidelberg (position equivalent to W2-professorship)
05/2014 – 05/2016Senior Research Fellow at the Max Planck Institute for Comparative Public Law and International law, Heidelberg
08/2013 – 04/2014 Research Fellow (Post-Doc) at the Institute for European Health Policy and Social Security Law, Goethe University, Frankfurt
04/2012 – 10/2012Research Fellow (Post-Doc) at the Institute for European Health Policy and Social Security Law, Goethe University, Frankfurt
03/2010 – 02/2012Judicial Service Training (Referendariat)
08/2009 – 04/2011External Researcher with the Expert Council of German Foundations on Integration and Migration (Sachverständigenrat Integration und Migration), Berli
07/2006 – 09/2009Research Fellow at the Max-Planck-Institute for comparative public and international law, Heidelberg