Zack's other work includes the Emmy-winning digital musical pilot, Everything's Fine: A Panic Attack in D Major. He has written and produced sketches and celebrity content for major brands like Buzzfeed, Esquire, and Cartoon Network; and he has worked in late night as a writer's assistant and a script coordinator at shows including The Tonight Show Starring Jimmy Fallon, Late Night with Seth Meyers, The Kids Tonight Show, and Saturday Night Live. Zack has an MFA in television writing from Columbia University.