Staff members

During the Medemblik European Open Ju-Jitsu Duo-Games there is a special team of helpful volunteers to make this event a great success for you.

The Project Team and Support Team are managed by the Core Team members: 
Marcel Kouwenberg (Tournament Director);

Robert Takken (Advisor ).

Project Team

Richard de Wit
Content & Marketing

Esther Lute
Hospitality/Text Translation

Pieter Ratten
Sound & Light Manager


Rene Lenting
Music Composer

Klaas-Jan Weel
Support Sound & Light

Jacob Bos
Competition/Light direction

Mirjam Roelandschap
Coach Direction SSD

Roel Braaksma
Logistic & Transportation

Bart Beek
Program Presentation


Klaas Slot
Emea & National Relations

Bert Bras
Content and Marketing