Kim Hyeon-Ji is a established South Korean voice actress known for a versatile vocal range that spans from cute and lively girls to young boys and even mature women. She was born on April 11, 1982. She is a graduate of Kyungsung University's Department of Theater and Film. Her career began in April 2006 when she joined a broadcasting company's voice acting circle as an exclusive talent, a status she held until 2009 when she transitioned to a freelance voice actress.

Kim Hyeon-Ji is recognized for her clear and refreshing voice, which has allowed her to take on a wide array of characters. Among her most notable roles in anime and animation are Renge Houshakuji in Ouran High School Host Club. She has also voiced major characters in numerous other popular series and films, including the title character Pororo in the long-running children's series Pororo the Little Penguin, Azusa Nakano in K-On!, Ichigo Amano in Yumeiro Pâtissière, and Serena in the Korean localization of Pokémon. Her film work includes voicing the Mackerel in the 2012 animated feature Padak.

Beyond animation, her voice is widely recognized in the video game industry. One of her most famous roles is as the South Korean hero D.Va in the global hit game Overwatch. She also voices other game characters such as Eula in Genshin Impact and Asta in Honkai: Star Rail. Her talent extends to singing, having performed numerous insert songs and theme songs for the characters she plays in various idol and music-themed anime.