Željko Gvozdić was on fighting and technical seminar, which took place between 10 and 11 January 2015 in Znojmo, Czech Republic, led by GM Trevor Nicholls from Great Britain, show 24 form Tong-Il. GM Trevor Nicholls congratulated him on his long-term work in the Taekwon-Do field and gave him the recognition of the achieved level VII.DAN – Master.
