Received his BFA from Webster University-Conservatory for the Performing Arts and his MFA from The National Theatre Conservatory, Denver Center. He also studied at the Yale School of Drama and the British American Drama Academy in Oxford. In theatre he has performed at the Denver Center Theatre Company, The Boarshead Theatre, The Repertory Theatre of St. Louis, Sierra Repertory Theatre, Theatre Banshee, The Odyssey Theatre and Hudson Theatre. Mark was nominated for an Ovation Award in 2008 for the role of "Slim" in Of Mice and Men at Theatre Banshee. Mark also co-wrote the film Passed the Door of Darkness.