(English) Yoon Jeong-joo studied western painting at Hongik University. Ever since she was young, she has always wanted to become a painter, and she is still happiest when playing with a pencil, brush, and paint. She has written and illustrated the picture books Ice Ice; Ice Ice Pizza; Ice Ice Zombie; Yummy Shaved Ice; and The Nightmare Thief. She has illustrated many children’s books, including Yeoni and Her Family’s Trip to Seoul; Yeoni and Her Family’s Lunar New Year; The Invincible Firefighter of Joseon; The Country House Comes to Life; Acasia Perm; Dalle and Her Family Go to See the Flowers; Collection of Children’s Word Play Poems by the Poet, Choi Seung-ho; Time Store; and Hunter Girl.

(Japanese) 弘益大学(ホンイク)西洋画科を卒業した。今まで200券近い子供向けの本に絵を描いたが<ヨン家のお盆迎え>のように伝統文化を扱った絵本、<言葉遊び童詩集>のような童謡童詩絵本、<ジャージャー麺がのびる!>のような創作童話など子供向け本のほぼすべての分野で個性溢れる魅力的な絵を披露してきた。直接書いて描いた本で<コンコンコン>、<もぐもぐかき氷>などがある。

(Vietnamese) Học hội họa tại Đại học Hongik, tác giả đã nhận được giải bạc tại Giải thưởng Shinhan Sprout Manga lần thứ 2. Tác giả đã vẽ tranh cho 《Ai cười?》, 《Sâu bướm ăn sâu bướm》, 《Trò lừa của Kanchil》, và 《Nghĩ về bóng đá》.