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 has written for outlets including Spin, Nylon, and Playboy. 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, releases October 2022 via Black Ocean. Her most recent studio album is Sad13’s Haunted Painting (2020).  She is an organizer with the Union of Musicians & Allied Workers and its local UMAW Philly.