Gene Luen Yang began drawing comic books in the fifth grade. In 1997, he received a Xeric Grant for Gordon Yamamoto and the King of the Geeks, his first comics work. He has since written and drawn a number of titles, including Duncan's Kingdom, The Rosary Comic Book, Prime Baby and Animal Crackers. American Born Chinese, his first graphic novel from First Second, was a National Book Award finalist, as well as the winner of the Printz Award and an Eisner Award. He also won an Eisner for The Eternal Smile, a collaboration with Derek Kirk Kim. Yang lives in the San Francisco Bay Area, where he teaches high school. He got his Master's in Education at Cal State Hayward, where he wrote his thesis on using comics in education.
THIEN PHAM is a comic book and visual artist, based in the Bay Area. He is also a high school teacher. Pham illustrated Gene Luen Yang's Level Up, a YALSA Great Graphic Novel and New York Times Notable Children's Book. Sumo is his first solo work.