Grindstone Theatre is a non-profit Edmonton based theatre company established in 2011 by Founder and Artistic Director Byron Martin. Grindstone Theatre owns and operates its own venue, The Grindstone Comedy Theatre & Bistro in Old Strathcona. Grindstone Theatre is most well known for their improvised musical The 11 O'clock Number! but also produces mainstage plays and musicals, produces Blackout Sketch Comedy, provides corporate entertainment, runs public classes, offers school workshops, school performances and free monthly events such as The Open Improv Jam. We believe that theatre can change lives for the better; for those who participate in the performing arts, for our audiences and for our community. Join us in making our community a better place through the arts.