(English) Lee Ji-oh studied visual design in college and graduate school. Because of her love of children and drawing, she left her long-time job as a designer and became an illustrator. Some of her works include My First Exciting Secret Friend, The Magic Book That Grants Only One Wish, and Shh, Nobody Knows!

(Chinese) 本科和研究生专攻视觉设计，毕业后长期担任设计师。因为喜欢儿童和绘画，所以做了儿童绘本作家。已出版作品《扑通扑通，第一个秘密朋友》《只满足一个愿望的魔法书》《嘘，谁也不知道！》 等。