Career
Originally a bantamweight (under 63 kg), Lee temporarily went down in weight to flyweight (under 58 kg) after the 2011 World Championships in order to compete in the 2012 Olympics where there are only four weight classes. Lee made his international flyweight debut at the 2011 World Taekwondo Olympic Qualification Tournament in Baku, Azerbaijan where he had his first international loss to 2008 Olympic silver medalist Gabriel Mercedes 14-12 in the semifinals.