Margaret Cotter is President of Liberty Theatres, LLC, which owns and operates the Off Broadway Theatres: New York's Orpheum, Union Square and Minetta Lane as well as the Royal George Theatre, a four theatre complex in Chicago. She has operated the theatres, located and booked all productions at the venues for over 15 years. Prior to her current role in theatre management, Margaret practiced law in New York and is a graduate of Georgetown Law Center. She is a Board member of the League of Off Broadway Theatres and Producers.

Producing credits include Adding Machine, the Musical(Off Broadway, Outer Critics Circle, and Lucille Lortel, and Obie Awards), All Shook Up(Broadway),Alan Bennett's Talking Heads (Off Broadway), Lypsinka!(Off Broadway), Dixie's Tupperware Party(Chicago), Forbidden Broadway SVU(Chicago), Forbidden Broadway Dances with the Stars (Chicago, JEFF Award), I Love You, You're Perfect, Now Change(Chicago, San Francisco), The Flying Karamazov Brothers' Catch!(Chicago) and Love, Janis(Chicago).