Gymnast who is a former member of the South Korean national gymnastics team. She was the 2014 Asian Games All-around Champion, the 2010 Asian Games all-around bronze medalist, and a three-time Asian Championships All-around Champion.
She began gymnastics as a way to lose weight and ended up winning the all-around gold medal at the 2009 Angel Cup in Malaysia.
She was the recipient of the Talent Medal of Korea in 2011. She has over 200,000 followers on her yeonjae_son Instagram account.
She is an only child. Her second cousin is Korean figure skater Yun Yea-ji.
She appeared in an LG campaign with Park Tae-Hwan.