Become a Jump Knock ambassador. Earn commissions by referring coaches and athletes to the platform.
Constantinos Yiannopoulos
Multi-discipline martial arts athlete and coach based in London. Specialising in Boxing, Kickboxing, Muay Thai, MMA, Taekwondo, Karate, Wushu and Martial Arts Tricking.
London · Online availableBoxingKickboxingMuay ThaiMMATaekwondoKarateWushuMartial Arts Tricking
