Mark is a classically-trained double bassist and has played with numerous multicultural and avant garde ensembles including The Brothel Brothers and Pointless Orchestra. He is the Zorn devotee of the group, managing the Masada World website. His most recent solo album is entitled Ditties for Piano from the Time of the Plague, and is currently working on a new project called The Great Oxygen Catastrophe.
Mark works as a freelance graphic designer.