2015 – present: Lecturer biology. Rotterdam University of Applied Sciences. School of Education.
2015: Biology teacher. Dr. Mollercollege, Waalwijk.
2013 – 2014: Postdoctoral scholar. NASA Jet Propulsion Laboratory. California Institute of Technology.
2010 – 2013: Postdoctoral research assistant. University of Reading. Department of Geography and Environmental Science.
2009 – 2010: Postdoctoral researcher. Vrije Universiteit Brussel. Department of Geology / Analytical and Environmental Chemistry.
2005 – 2009: Junior researcher. VU University Amsterdam. Department of Marine Biogeology.
2003 – 2005: Teacher in biology and science. Pax Christi College, Druten.
Invited talks and colloquia
Department of Earth & Planetary Sciences, University of California Santa Cruz, CA, USA. The world’s deepest hydrothermal vents: biogeochemistry of an alien environment. October 2014.
Postdoc seminar series, NASA Jet Propulsion Laboratory, California Institute of Technology, Pasadena CA, USA. Hydrothermal vent rogue cannibal shrimp investigated by stable isotope analysis. May 2014.
Naturalis Biodiversity Center, Leiden, the Netherlands. Stable-isotope proxies in palaeoclimatology and palaeoecology. January 2014.
Instrument Systems Implementation & Concepts, NASA Jet Propulsion Laboratory, California Institute of Technology, Pasadena CA, USA. Previously unsuspected dietary habits of hydrothermal vent fauna. December 2013.
Netherlands Forensic Institute, The Hague, the Netherlands. The role of (GC-)IRMS in forensic research. April 2013.
Archaeological Sciences, University of Bradford, UK. Biogenic carbonates as archives of environmental change. March 2013.
Institute for Geosciences, Johannes Gutenberg Universität, Mainz, Germany. The worm thermometer – what earthworm calcite granules can tell us about past environments. September 2012.
Department of Geography and Environmental Science, University of Reading, UK. The worm thermometer – what earthworm calcite granules can tell us about past environments. May 2012.
Department of Geological and Atmospheric Sciences, Iowa State University, Ames IA, USA. Earthworms – unusual biomineralisers. October 2011.
Chemical Analysis Facility, University of Reading, UK. Where does the C in earthworm secreted calcite come from? April 2011.
Department of Geography and Environmental Science, University of Reading, UK. Silent witnesses – Freshwater bivalves as archives of environmental variability in the Rhine-Meuse delta. November 2010.
Department of Geography and Environmental Science, University of Reading, UK. Bivalve stable isotope records as archives of past environmental variability. September 2010.
Benelux Association of Stable Isotope Scientists (BASIS). Skeletal stable isotope ratios of calcifying marine organisms as proxies for past climate and human impact. April 2010.
The Palynological Society and The Palaeobiological Society of the Netherlands/Flanders. What can freshwater mussels tell about the history of the Dutch river area? October 2009.
Workshop Bivalve biomineralisation, The royal Flemish academy of Belgium for science and the arts, Brussels, Belgium Brussels, Belgium. Bivalve growth increments reflect seasonal stable isotope variations of ambient water in the rivers Rhine and Meuse. May 2009.
Netherlands Research School of Sedimentary Geology (NSG). Freshwater bivalves record Meuse droughts – Stable oxygen isotopes in shell aragonite tell of past river dynamics. November 2008
The Palaeobiological Society of the Netherlands/Flanders. Freshwater mussels as an archive for river floods. April 2008.