Member of the German Committee for Particle Physics (KET) (since 2021)

Representative of the Rectorate for safeguarding Good Scientific Practice at RWTH Aachen University (since 2020)

Member of the Committee for Finance and Structural Development and the Committee for By-Laws of the Faculty of Mathematics, Computer Science and Natural Sciences, RWTH Aachen University (since 2019)

Chair of the Department of Physics, RWTH Aachen University (2016-2019)

Chair of the Examination Board, Department of Physics, RWTH Aachen University (2013-2016)

Member of the review board ``Particles, Nuclei and Fields'' of the German Research Foundation DFG (2012-2020)

Member of the European Committee for Future Accelerators ECFA (2011-2017)

Theory Chair of the Project Board “Analysis” and member of the Management Board, Helmholtz Alliance “Physics at the Terascale” (2007-2010)

Member of the UK PPARC Particle Physics Grants Panel (2003-2006)