Ahn Jaesun graduated from University of Brighton in College of Arts after her studies in Hongik University. She worked as an editor of children's picture books and branding illustration for over 10 years. She currently lives in Seoul, Korea. Ahn was selected as Illustrator of the Year at the Bologna Children's Book Fair in 2014 for her work Hello, Seou', and in 2017 for the initial artwork of The Old Tailor Shop, which received special mention for the Ragazzi Opera Prima Award 2020