Mia McCullough is a playwright, screenwriter/filmmaker, educator, performer, and visual artist. In January 2023 McCullough premiered her solo show Milkshakes and Morphine at Lifeline Theatre’s Fillet of Solo. This spring all three McCullough’s The Squirrel Plays were performed together at Mirror Stage in Seattle, and her play Household Spirits will premiere in Chicago at Theater Wit in October 2023. McCullough's plays have been seen at theatres around the country including Steppenwolf, The Goodman, Stage Left Theatre, Chicago Dramatists, The Old Globe , Local Theater Company, and Red Fern Theater, as well as in London and at the Edinburgh Fringe Festival. 

McCullough created and co-produced The Haven, a web series centered around the staff and clients of a domestic violence shelter. Season 1 of The Haven is now playing on OTV - Open Television.

McCullough taught playwriting and screenwriting at Northwestern University for ten years, as well as playwriting classes at University of Illinois - Chicago, Carthage College, Chicago Dramatists and workshops in Chicago Public Schools. She’s written and published a book on the creative writing process called Transforming Reality. She is a member of Honor Roll!, a group of femme writers over 40, as well as a member of the Dramatists Guild.