- Co-investigator Janus team of JUICE Mission since 2022
- Member of the Science Advisary Group (SAG) of the International Continental Scientific Drilling Program (ICDP) 2019-2022
- Reviewer for DFG, DAAD, Alexander von Humboldt Stiftung, Studienstiftung des Deutschen Volkes
- Speaker of DFG-Research unit FOR-887 (MEMIN) (2009-2018)
- Invited Editor: Meteoritics and Planetary Science. Special Issue “Bridging the Gap between Nature, experimente, and modeling” (2017)
- Organization of conferences: (1) „3rd Int. Conf. on Large Meteorite Impacts“, Nördlingen, 2003. (2) “Bridging the Gap between Nature, Experiment and Modeling”, Freiburg 2015. (3) in preparation: TSK Freiburg 2024
- Editor: „Large Meteorite Impacts III“ GSA Special Paper (2005)
- ICDP-Science Team Leader USGS-ICDP deep drilling Chesapeake Bay impact structure, USA, 2005-2007; ICDP-Science Team Member Chicxulub-deep drilling 2002-2005
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