Julia Hayes Welch is a Seattle-based freelance scenic designer. Recent local productions include Alex and Aris (ACT Theatre) Howl's Moving Castle (Book-It Repertory Theatre), Big Rock (Sonya Schneider), three An American Dream, The Three Feathers, O+E: a new adaptation of Gluck's Orfeo ed Euridice (all at Seattle Opera) an all-female production of Shakespeare's Coriolanus (Rebel Kat Productions), the classic The Government Inspector (Seattle Shakespeare Company), An Octoroon (ArtsWest), HIR (Intiman and ArtsWest) and Ironbound (Seattle Public Theatre).

In the Seattle area, Welch has also worked 5th Avenue Theatre, Village Theatre, Washington Ensemble Theatre, Ghost Light Theatricals, 14/48, Centerstage Theatre, Live Girls! Theatre, and others. She is a founding member of Handwritten Productions and was their resident scenic designer from 2010-2013.

Welch received both a Seattle Times Footlight Award as well as the Gypsy Rose Lee Award in 2016 for her set design of The Things Are Against Us with Washington Ensemble Theatre.  Her design for Rebel Kat Productions' Coriolanus: Fight Like A Bitch was nominated for the 2017 Gypsy Rose Lee Award.

Julia holds a Master of Fine Arts in Scenic Design from the University of Washington and a Bachelor of Arts in Theater Arts from the University of Puget Sound.