Academic leadership (selection)
- Program co-director Epidemiology at Leiden University Medical Center
- Member of Scientific Advisory Board of the Dutch National Trauma Registry (Landelijke Traumaregistratie, LTR)
- Founder and board member of the Natural Experiments Study Group (NEXT): NEXT-studygroup.org
- Board member of the Netherlands Epidemiological Society (Vereniging voor Epidemiologie)
- Member Dutch Health Council (Gezondheidsraad), advising national government and parliament in the broad field of public health and healthcare
- Panel member on various scientific evaluation committees of the Dutch Research Council (NWO / ZonMw)
- Member (and chair) of several Data and Safety Monitoring Boards
- Statistical reviewer JAMA Network Open and ad hoc reviewer for, i.a., BMJ, Ann Intern Med, Am J Epidemiol, Epidemiology, Stat Med, the American Statistician
Past activities (selection)
- Associate editor of Pharmacoepidemiology and Drug Safety
- Founding Specialty Chief Editor, Frontiers in Epidemiology, section Research Methods and Advances in Epidemiology
- Chair of the Netherlands Epidemiological Society (Vereniging voor Epidemiologie)
- Member of STRengthening Analytical Thinking for Observational Studies: the STRATOS initiative
- Member of the Medical Ethical Review Board, LUMC
- Associate editor (sectieredacteur) Nederlands Tijdschrift voor Geneeskunde