As a costume and scenic designer, Sivigny has worked on over thirty world premieres with Woolly Mammoth Theatre Company, Theater J, Kennedy Center Theater for Young Audiences, Imagination Stage, 1st Stage, The Source Festival, Young Playwrights Theatre, The Hub, Studio Theatre 2nd Stage, and Rorschach Theatre where she has been a company member since 2006. She has also designed for Round House Theatre, Olney Theatre Center, Everyman Theatre, Signature Theatre, Colorado Shakespeare Festival, Rep Stage, Adventure Theatre, WSC Avant Bard, among others. She was a member of the second generation of The Welders, where she served as Lead Producing Playwright for her work Hello, My Name Is… Set in a house, she designed and created environments that channeled the lives of Korean adoptees. Her research includes development of “design-driven” works inspired by classic literature, politics and personal aesthetic and experience. She received the Helen Hayes Award for Outstanding Scenic Design for Forgotten Kingdoms at Rorschach Theatre and is a five time nominee. She is a faculty member of George Mason University's School of Theater. Debsivigny.com

She has a BA in theatre design from Middlebury College, an MFA from the University of Maryland and is a proud member of IATSE USA 829, the union for designers.