| 1997 | Member of Organizing Committee, Second international IFKB symposium: Models in Human Movement Sciences. |
| 2004 | Secretary General and Session Chair, Annual Meeting of the Swiss Society for Biomedical Engineering (SSBE), Zurich, Switzerland. |
| 2006 | Member of Organizing Committee, Triannual Meeting of the German, Austrian and Swiss Society for Biomedical Engineering Societies, Zurich, Switzerland. |
| 2008 | Scientific Reviewer, Orthopaedic Research Society (ORS), Annual Meeting, San Francisco, USA. |
| 2008 | Organizer and Session Chair, Tissue Engineering and Regenerative Medicine (TERMIS-EU), Porto, Portugal. |
| 2008 | Scientific Reviewer and Session Chair, 16th Congress of the European Society of Biomechanics, Luzern, Switzerland. |
| 2008 | Member of Scientific Committee and Topic Chair, European Congress of the International Federation for Medical and Biological Engineering (EMBEC), Antwerp, Belgium. |
| 2010 | Member ESB Clinical Biomechanics Award Committee, European Society of Biomechanics, Edinburgh, UK. |
| 2010 | Scientific Advisor, Board of European Students of Technology (BEST), Summer school on Biomedical Technology, Leuven, Belgium. |
| 2012 | Scientific Reviewer, member Scientific Committee, member Best Thesis Award Committee. 18th Congress of the European Society of Biomechanics, Lisbon, Portugal, |
| 2013 | Conference Chair and Member of Organizing Committee, Symposium Bone Remodelling and Healing: on Experiments and Models, Leuven, Belgium |
| 2013 | Conference Chair and Member of Organizing Committee, 5th International Conference on Computational Bioengineering (ICCB), Leuven, Belgium. |
| 2014 | Session Organizer, 7th World Congress of Biomechanics, Boston, USA. |
| 2014 | Session Organizer, 12th Int. Symposium on Computer Methods in Biomechanics and Biomedical Engineering, Amsterdam, the Netherlands. |
| 2015 | Scientific Reviewer, member Scientific Committee, member Mobility Award Committee, member Student Award Committee. European Society of Biomechanics, Prague, Czech Republic. |
| 2015 | Member of Scientific Committee, 6th International Conference on Computational Bioengineering (ICCB), Barcelona, Spain. |
| 2016 | Scientific Reviewer, member Scientific Committee, member Student Award Committee. 22nd Congress of the European Society of Biomechanics, Lyon, France. |
| 2017 | Member International Program Committee,13th International Conference on Biomedical Engineering (Biomed 2017), Innsbruck, Austria. |
| 2017 | Scientific Reviewer. European Calcified Tissue Society, Salzburg, Austria. |
| 2017 | Member Scientific Advisory Board, 21st International Bone Densitometry Workshop (IBDW) and 7th European Symposium on Ultrasonic Characterization of Bone (ESUCB), Bad Staffelstein, Germany. |
| 2017 | Scientific Reviewer, member Scientific Committee, member Best Thesisy Award Committee. European Society of Biomechanics, Sevilla, Spain. |
| 2017 | Member of Scientific Committee, 7th International Conference on Computational Bioengineering (ICCB), Compiegne, France. |
| 2018 | Scientific Reviewer. European Calcified Tissue Society, Valencia, Spain. |
| 2018 | Member of Scientific Committee, 2018 Annual Conference of the European Orthopaedic Research Society (EORS), Galway, Ireland. |
| 2019 | Member of Scientific Committee, 22nd International Workshop on Quantitative Musculoskeletal Imaging (QMSKI), Lake Louise, Canada. |
| 2019 | Scientific Reviewer. European Calcified Tissue Society, Budapest, Hungary |
| 2019 | Member of Scientific Committee, 25th Congress of the European Society of Biomechanics (ESB 2019), Vienna, Austria. |
| 2019 | Member of Scientific Committee, 8th International Conference on Computational Bioengineering (ICCB), Belgrade, Serbia. |
| 2021 | Member of Advisory Board, 17th International Symposium on Computer Methods on Biomechanics and Biomedical Engineering, and 5th Conference on Imaging and Visualization, Bonn, Germany. |
| 2022 | Conference Chair and member of Organizing Committee,23rd International Workshop on Quantitative Musculoskeletal Imaging (QMSKI) |
| 2008 - | Biomedizinische Technik / Biomedical Engineering |
| 2013 - | Frontiers in Bioengineering and Biotechnology |
| 2014 - | Advances in Biomechanics and Applications |
| 2020 - | Computer Methods in Biomechanics and Biomedical Engineering |
| Acta Biomaterialia Annals of Biomedical Engineering Archive of Applied Mechanics Biomedizinische Technik / Biomedical Engineering Bone Clinical Orthopaedics and Related Research Computer Methods in Biomechanics and Biomedical Engineering Computer Methods in Biomechanics and Biomedical Engineering: Imaging & Visualization Journal of Biomechanics Journal of Bone and Mineral Research Journal of Engineering in Medicine (Proc. of the Institution of Mechanical Engineers, Part H) Journal of Orthopedic Research Medical Engineering & Physics Medical Physics Osteoporosis International Scientific Reports Technology and Health Care |
| Reviewer | Academy of Finland |
| Reviewer | BSF (Binational Science Foundation United States - Israel) |
| Reviewer | Czech Science Foundation |
| Reviewer | EPSRC (UK's Engineering and Physical Sciences Research Council) |
| Reviewer | ETH Grants |
| Reviewer | FWF (Austrian Science Fund) |
| Reviewer | IWT (Institute for the Promotion of Innovation by Science and Technology in Flanders ) |
| Reviewer | SNF (Swiss National Science Foundation) |
| Reviewer | WWTF (Vienna Science and Technology Fund) |
| EPFL, Lausanne, Switzerland | |
| ETH, Zurich, Switzerland | |
| Flinders University, Adelaide, Australia | |
| Keele University, Staffordshire, UK | |
| Reykjavik University, Reykjavik, Iceland | |
| University of Leeds, Leeds, UK | |
| University of Melbourne, Melbourne, Australia | |
| University of Southampton, Southampton, UK |
| 2003 - 2017 | member Swiss Society for Biomedical Engineering (SSBE) |
| 2004 - | member American Society for Bone and Mineral Research (ASBMR) |
| 2004 - | member European Society of Biomechanics (ESB) |
| 2005 - | member European Calcified Tissues Society (ECTS) |
| 2006 - | member Orthopedic Research Society (ORS) |
| 2010 - | member International Society for Fracture Repair (ISFR) |
| 2017 - 2019 | Treasurer, ORS Orthopaedic Implant Section |
| 2013 - | Council, International Conference on Computational Bioengineering (ICCB) |
| 2014 - | Council, European Society of Biomechanics (ESB) 2014 Chair External Affairs Committee 2016 Chair Meetings Committee 2018 Treasurer 2020 President |