Diana lives and works in Chicago. Diana started her career as a master printer for Tony Fitzpatrick at Big Cat Press and then Landfall Press. Eventually, she decided to go back to school to get her MFA from Northwestern University. Moving back to Chicago she worked as an archiver. Now, Diana makes her living as a full-time illustrator. She has worked on band covers, book covers, and children's book illustrations. Her most well known illustrations are from the Mysterious Benedict Society, a series of middle grade books.