- Current Gene Therapy | onbekend | Editorial Board Member | 2001-01-01 - present
- International Spinal Research Trust | Londen | Adviseur lid fe. Advisory Board | 2005-01-01 - present
- Nederlands Herseninstituut | Amsterdam | | 2009-01-01 - present
- Experimental Neurology | onbekend | Editorial Board Member | 2011-01-01 - present
- Circuit Therapeutics | California | Adviseur | 2014-01-01 - present
- End Paralysis Org | Eindhoven | lid Scientific Advisory Board | 2014-01-01 - present
Ancillary activities are updated daily