Ancillary activities
- Adviser | Museum Hofland, Laren | Not remunerated
- Onderzoeker | Naturalis Biodiversity Center, Leiden | Remunerated (Personal)
- Conservator | Teylers Museum | Not remunerated
- Veldwerk | Nationale Onderzoeksraad Erfgoed | Not remunerated
- Veldwerk | Fellow Explorers Club | Not remunerated
- Adviser | Netherlands Journal of Geosciences | Not remunerated
- Ondersteuning museum-initiatief | Stichting Terra Temporalis | Not remunerated