Dee ihe na-aga n'ihu maka paragraf a - Lee bụbu onye na-agba ọsọ na bantamweight (n'okpuru 63 kg), Lee belatara oge na-agba ọsọ na flyweight (n'okpuru 58 kg) mgbe asọmpi iko mba ụwa nke 2011 gasịrị
ka o wee nwee ike ịsọ mpi n'egwuregwu Olimpik nke afọ 2012, ebe e nwere naanị klas ịsọ ike 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.