Arjen de Ruyter is a sportsmarketing consultant owning the agency 20Knots.
De Ruyter lists as clients; Mastercard, NS (Dutch Railways), Judo Bond Netherlands, Dutch Olympic Committee, Football Club Vitesse.
Initiator of ROI research with partners: University of Groningen and Fontys Economische Hogeschool Tilburg, Heineken Int, Rabobank, Ricoh and Unive insurances.
De Ruyter has been involved with projects: UEFA under 21 tournament 2007, Olympics, WC Judo 2009.
