At the World Championship level, she was twice a world bronze medalist as an individual (2010 and 2011). She was also part of the Korean team that won the team world championship in 2005.[2] Nam was also part of the Korean teams that won the bronze medal in the foil team event at the 2006 World Fencing Championships, after beating Poland in the bronze medal match with her teammates Jeon, Jung and Seo Mi-Jung, 2010 World Championships, beating Germany with teammates Jeon, Seo and Oh, and the 2011 World Championship, beating Poland again, this time with teammates Jeon, Jung and Lee Hye-Sun.[2]
She was married to cyclist Gong Hyo-suk.[3] Nam ran a fencing club in Seoul's Gangnam district after retiring in 2019.[4]
After her divorce, she announced in October 2023 that she had decided to marry Jeon Cheong-jo, the third generation son of the Paradise Group which is a South Korean casino and resort conglomerate.[5] Two weeks later, it was revealed that Jeon was a female fraudster, who was actually from a working class household in South Korea. Jeon had been previously convicted on multiple accounts of fraud and scamming people.[6] Jeon Cheong-jo was arrested and accused of stealing more than 3 billion won (€2.1 million) from 27 people between April 2022 and October 2023.[4] In 2024, Jeon was sentenced to 12 years in prison.[4] Nam was banned from leaving South Korea.[4]
^Kim Hye-jeong (December 23, 2021). "이형택×남현희×박찬민, 채널A 新 예능 '피는 못 속여' 합류" [Hyung-Taek Lee × Hyun-Hee Nam × Chan-Min Park to join Channel A’s new entertainment show ‘Cheat You Can’t Bleed’] (in Korean). Sports Kyunghyang. Retrieved December 23, 2021 – via Naver.