Baek was born and raised in Daegu, South Korea. She graduated from Keimyung University located in Daegu, South Korea with a master’s degree in Saprano. She is currently training to become a pastry chef and barista so she can eventually open her own desert cafe.
Baek got her start in pageants when she entered the 2014 Miss Korea Pageant. At the time, the organization selected the country’s representatives for Miss Universe, Miss International and Miss Earth. Baek was a named one of four second runner-ups.
In 2016, Miss Universe Korea was acquired by Park Jeong-ah. The pageant, now called Miss Queen Korea, selects the countries representatives for Miss Universe, Miss World and Miss Supranational.
Baek entered the 2018 Miss Queen Korea Pageant with hopes of capturing one of the three titles. On August 22, 2018, Baek was crowned with the top title, Miss Universe Korea 2018, at the Sheraton Grande Walkerhill Theater located in Seoul, South Korea. She also took home the title of Most Photogenic as well as the Top Model award.
Baek will compete for the title of Miss Universe 2018 on December 16, 2018 in Bangkok, Thailand.