Sabum Johan Groen and Sabum Peter Vergoesen will represent the Taekwon-Do International Netherlands at the ITF Taekwon-Do World Championships 2017 in Pyongyang, DPRK.
They are going to work as an Umpire and they are going to do our Master (VII Dan) grading together with Taekwon-Do instructors from all over the world.