Nancy had been living in the United States for about 6 years. She is a Korean-American singer, actress, host, and a member of the girl group Momoland, which was formed on November 10, 2016 through the Mnet's reality survival show Finding Momoland.
In January 2020, Nancy was chosen as the new endorsement model for the popular skincare brand
"Some By Mi", A representative of Some By Mi said that they chose Nancy was because
"her healthy and pure image fit well with the direction that we pursue, of our clean, natural skincare products".