Former positions:
| 2019-2023 | Associate Professor; Department of Earth Sciences, Faculty of Geosciences (UU) |
| 2015-2019 | Assistant Professor; UU |
| 2012-2015 | Advanced NERC Fellow at Department of Chemistry, University College London |
| 2007-2012 | Postdoctoral fellow (Veni, Dutch starting grant) at UU |
| 2006 | Postdoc at UU |
| 2003-2005 | PD jointly at UU and LGIT/IsTerre Grenoble University, France |