She has edited films with directors Ryoo Seung-wan (Arahan, The City of Violence, and Crying Fist), Kim Jee-woon (The Good, the Bad, the Weird and I Saw the Devil), and Kang Hyeong-cheol (Scandal Makers, Sunny, and Tazza: The Hidden Card).
[2] She graduated from Kyungsung University's department of theater and film.
Her career as a film editor began with the 2002 film Wet Dreams, and went on to work with established South Korean film directors, including Ryoo Seung-wan (Arahan, The City of Violence, and Crying Fist), Kim Jee-woon (The Good, the Bad, the Weird and I Saw the Devil), and Kang Hyeong-cheol (Scandal Makers, Sunny, and Tazza: The Hidden Card).
[1] Nam was nominated in the Best Editing category for her works on Arahan, The Good, the Bad, the Weird, Scandal Makers, and Confession of Murder; and won for Crying Fist and Masquerade.
She won an Asian Film Award for I Saw the Devil; and at the Blue Dragon Awards, she won for Masquerade and was nominated for Tazza: The Hidden Card.