Jillian Tamaki is a Canadian illustrator and graphic novelist known for her distinctive art style and storytelling. She was born in 1980 in Calgary, Alberta, and later moved to Toronto, Ontario. Tamaki has collaborated with her cousin, Mariko Tamaki, on several acclaimed graphic novels, including "This One Summer," which won multiple awards. Tamaki's work often explores themes of adolescence, identity, and the complexities of relationships. In addition to graphic novels, she has illustrated children's books and contributed to various publications. Her art is characterized by vibrant colors and expressive characters, making her a prominent figure in contemporary illustration.