Mezue ahịrịokwu na-esonụ: N'afọ 2006, o nwetara ihe nrite ọlaedo mbụ ya n'asọmpi mba ụwa nke mahadum nke 18 e mere na Suwon, South Korea. Jeong nwetakwara ọla nchara n'asọmpi -78 kg n'asọmpi
2007 World Judo Championships, otu ọlaọcha na otu ibu na 2007 Asian Judo Championships, na ọla nchara na 2008 Summer Olympics.