He competed at the 2024 Summer Olympics and won a gold medal in the men's team sabre event.

[1] From Yeongcheon, he attended Osung Middle School [ko] and then Osung High School [ko], where he competed in sabre fencing under coach Lee Seung-yong, who participated at the 1992 Summer Olympics.

[7] In 2022, he competed at the World Cup in Algeria and helped the South Korean team to first place.

[8] Do enlisted in the South Korean military in April 2023 as a member of the Korea Armed Forces Athletic Corps.

[9][10] Later that year, he participated in the Summer World University Games, winning a silver medal in the team event.