Sadie Dupuis is the guitarist, songwriter & singer of rock band Speedy Ortiz, as well as the producer & multi-instrumentalist behind pop project Sad13. Sadie heads the record label Wax Nine, edits its poetry journal, and is a regular contributor to Spin, Tape Op, Talkhouse, and more. She holds an MFA in poetry from UMass Amherst, where she also taught writing. Mouthguard, her first book, was published in 2018 (Gramma); Cry Perfume, a second poetry collection, was released in 2022 (Black Ocean). She is an organizer with United Musicians & Allied Workers and its local UMAW Philly.
