Since 2011: Professor of Experimental Particle Physics (W2), Universität Hamburg, Germany, CMS-Experiment at LHC
2010–2011: Professor of Physics (W2), Universität Göttingen, Germany, ATLAS-Experiment at LHC
2006–2010: Junior Professor (W1), Universität Hamburg, Germany, ATLAS-Experiment at LHC
2004–2006: Research fellow, CERN, Switzerland, ATLAS experiment at LHC
2000–2003: Doctorate in Particle Physics, Universität Heidelberg, Germany, supervisors: Peter Schleper and Karlheinz Meier, H1-Experiment at HERA
1994–2000: Diploma in Physics, Universität Heidelberg, Germany, OPAL experiment at LEP

Since 2023: Chair of Fachverband Teilchenphysik, Deutsche Physikalische Gesellschaft (DPG)
Since 2023: Member of BMBF-Gutachterausschuss ‘Teilchen’
Since 2023: Member of Komitee für Teilchenphysik (KET)
Since 2021: Chair of Board-of-Trustees of KONTAKT2 (‘Netzwerk Teilchenwelt’)
Since 2021: Spokesperson of D-CMS
- Spokesperson of BMBF-ErUM-FSP ‘Teilchenphysik mit dem CMS-Detektor‘ + BMBFVerbund
  ‚Fortentwicklung des CMS-Experiments zum Einsatz am HL-LHC‘ (FIS)
- CMS Regional Representative for Germany, member of CMS Management Board,
  CMS Finance Board, CMS Search Committee, CMS Election Committee, BMBF link
  person in LHC Resources Review Board
- Co-founder and supervisor of LHC FSP office, Hamburg, Germany
2016–2019: Managing Director, Institut für Experimentalphysik, Universität Hamburg, Germany
2016–2018: Spokesperson of SFB 676 “Particles, String and the early Universe”
2012–2018: Member of Vorstandsrat, Deutsche Physikalische Gesellschaft (DPG)
Since 2008: Member of ‘Wissenschaftlicher Ausschuss’, DESY, Germany