He is the President of The Aiki-Budo Culture and Sports Association and has been practicing this sport since 1991. He has had throughout the years over 5000 children subscribed to his courses who practiced aikido and shaped themselves up according to the principles of this Japanese Martial Art. Marius Ioniță is the founding member of The Romanian Federation of Modern Aikido and of The Romanian Federation of Aikido, being an Aikido trainer for children, since 1997. He is also a graduate of The National School of Coaches within The Ministry of Youth and Sports, aikido department, a renowned school on a European level. He has organized more than 50 competition camps on different topics, such as ecology, geography, history, spirituality and ethnical minority awareness, reuniting more than 1000 participating children.