“Sunny” Joung Sun Choi is a children's book illustrator currently living in San Francisco. She was born, raised and studied Oriental painting in Korea. While she was exhibiting and teaching in college in Korea, she had a chance to illustrate children’s books and fell in love with it. She came to San Francisco to study children's book illustration at the Academy of Art University, and graduated with an MFA in Illustration. Sunny has been a member of Society of Children’s Book Writers and Illustrators (SCBWI) since 2008.

Her two sons are her biggest inspiration and she recently adopted a furry daughter named Lily.