He wanted to be an actor and then moved backstage to start designing in middle school.
[3] Zinn attended New York University's Tisch School of the Arts for his MFA in Design for Stage and Film where he said he was most influenced by musicals and by avant-garde theatre like the Wooster Group.
After a big break at Santa Fe Opera, which featured his scenic and costume designs, he became known for both aspects of his work.
He also worked closely with Target Margin Theater Company, headed by David Herskovits and graduate school friend Lenore Doxsee.
He then went on to design costumes on Broadway for A Tale of Two Cities, In the Next Room (or The Vibrator Play), Good People, Bengal Tiger at the Baghdad Zoo, Other Desert Cities, The Other Place, Picnic, Rocky, Airline Highway, and An Act of God as well as scenic designs for The Realistic Joneses, Violet, The Real Thing, The Humans, and Present Laughter, and scenic and costume designs for Seminar, The Last Ship, Fun Home, Amélie, and SpongeBob SquarePants: The Musical.