Mezue ahịrịokwu na-esonụ: Lee bụbu onye na-ebu ibu (n'okpuru 63 kg), Lee na-agbadata oge na-ebu ibu (n'okpuru 58 kg) mgbe ọ nwụsịrị
2011 World Championships iji nwee ike ịsọ mpi na 2012 Olympics, ebe enwere naanị klas ibu anọ. Lee mere mbido mba ụwa ya na 2011 World Taekwondo Olympic Qualification Tournament na Baku, Azerbaijan ebe o nwere mmeri mba ụwa mbụ ya na 2008 Olympic silver medalist Gabriel Mercedes 14<unk>12 na ọkara ikpeazu. N'ọnwa Mee afọ 2012, o nwetara ihe nrite ọla edo mbụ ya na 2012 Asian Taekwondo Championship, na-eti onye mmeri Asia na-achị achị Pen-Ek Karaket 8<unk>4 na njedebe ikpeazụ. Na 2016 Summer Olympics Lee meriri ọla nchara, na-eti Jaouad Achab si Belgium 11<unk>7. Na 2016 WTF World Taekwondo Grand-Prix, Lee meriri ọla edo megide Konstantin Minin.