Kim Do-yeon, better known by the mononym Doyeon, is a South Korean singer signed under Fantagio. She is best known as a contestant on the Mnet reality show Produce 101, and being a member of resulted group I.O.I, and as a member of Weki Meki and the special unit WJMK under Fantagio and Starship Entertainment. In 2018, she appeared on Law of the Jungle and made her acting debut in the drama Short.
In January 2016, Kim participated in the Mnet reality-survival program Produce 101, which aimed to form an eleven-member girl group that would promote for a year under YMC Entertainment. She represented Fantagio along with Choi Yoo-jung and three other trainees from their company, eventually ranking eight in the show's finale on April 1, 2016. As a result, she debuted as a member of I.O.I alongside Choi. On May 4, 2016, I.O.I made their official debut with the single "Dream Girls".
2017–present: Weki Meki and WJMK
After the official disbandment of I.O.I on January 29, 2017, Choi and Kim traveled to the United States to film their reality show, Dodaeng's Diary in LA which aired on TVING. Doyeon was cast in the web series, Idol Fever. Doyeon made her debut as a member of Weki Meki on August 8, 2017 with the release of the single "I Don't Like Your Girlfriend" and the six-track EP Weme. Doyeon was featured in LONG:D's single, "All Night", released on December 14, 2017. In February 2018, Kim made her acting debut after getting cast in a drama titled Short in which she played a supporting role. On May 2, 2018, Starship Entertainment and Fantagio collaborated to form a special four-member unit named WJMK, consisting of members of their respective girl groups Cosmic Girls and Weki Meki. Choi and Kim, together with Seola and Luda of Cosmic Girls, released the single "Strong" on June 1, 2018, along with its accompanying music video. Kim was part of the cast of Shoot-out Mart War alongside Cha Eun-woo, Park Soo-ah and many more. In July, Kim joined the cast of the SBS reality show Law of the Jungle in Last Indian Ocean. Doyeon made a cameo appearance on the JTBCromantic comedy drama, Be Melodramatic. Kim is set to star in the web drama Boy and Girl Straight Out of a Cartoon in 2020.
