since 2023 member of the steering committee of the DFG priority programme Combinatorial Synergies
since 10/2018 Professor (W2) for Discrete Mathematics at University of Osnabrück
04/2015–09/2018 Juniorprofessor at University of Osnabrück
02/2014–03/2015 Akademischer Rat at Goethe-Universität, Frankfurt am Main
05/2012–02/2014 postdoctoral researcher at Goethe-Universität, Frankfurt am Main
09/2010–04/2012 postdoctoral researcher at University of Vienna, Vienna (Austria)
09/2009–08/2010 postdoctoral researcher at Háskólin í Reykjavík, Reykjavík (Iceland)
08/2007–02/2008 visiting PhD student Cornell University (Ithaca), host: Irena Peeva
10/2006–07/2009 PhD student Philipps-Universität Marburg/Lahn
10/2001–08/2006 Diploma Study Philipps-Universität Marburg/Lahn (Diploma Thesis)