Scientific advisor of REEFolution foundation
- Providing scientific advice to the REEFolution foundation, upon request or unsolicited, independent of the choices made by the foundation. The REEFolution foundation aims to restore and create coral reefs together with local communities to improve and sustain biodiversity, thereby contributing to the awareness of the importance of sustaining natural resources and creating opportunities to improve livelihood conditions.
Chair Scientific advisory board North Sea Foundation
North Sea Foundation
- Providing scientific advice to the North Sea foundation, upon request or unsolicited, independent of the choices made by the foundation.
NOB-underwater sports association De Heiduikers
- Training youth and adults snorkeling and scuba diving (theory and practice).