Ognjen Topic is a Bosnian-born Serbian-American Muay Thai kickboxer and three-time world champion, including WBC USA, WKA and a former Lion Fight world title, and Omnoi Stadium champion in Thailand (2022). He spent years training and fighting at elite Bangkok stadiums and now runs TopicFight, an online Muay Thai coaching platform, while also teaching seminars and private sessions out of North Jersey Muay Thai.