R egistered Trademark Web Master: Seneca Taekwondo & Martial Arts........© Copyright 1/16/2012.........All Rights Reserved, Seneca Taekwondo & Martial Arts. Richmond Hill Taekwondo & Martial Arts at Seneca  Seneca Taekwondo & Martial Arts has offered Richmond Hill taekwondo programs since 1989. Since then, Seneca has run Richmond Hill taekwondo and martial arts programs for Seneca College in Toronto, The Toronto District School Board, The York District Region School Board and several private schools in the Richmond Hill area.