Drew Campbell has been in the entertainment business as a technician, designer, director, producer, and teacher for over forty years. He has worked in live theater, dance, opera, fashion shows, conventions, sports, horse shows, and theme parks all over the US and in a dozen foreign countries, as well as teaching at the high school and university levels. He is the author of a series of technical books for nontechnical people as well as a cookbook for single guys (but he's married now).

Joel Brandwine is an assistant professor and head of the technical production program at Boston University. He has been working as a technical director, production carpenter, automation technician, and rigger for over 25 years. His Broadway credits include Jersey Boys, American Idiot, Legally Blonde, and Evita. His touring and production credits include Riverdance (production manager for the 30th Anniversary Tour and production carpenter for the 25th Anniversary Tour), Queen of Versailles (Boston), Moulin Rouge (Boston), Beautiful: The Carole King Musical, Blast, and Jersey Boys. During his time in New York, Joel worked at some of the premier Off-Broadway stages such as Second Stage, New York Theatre Workshop, The Signature Theatre, Roundabout Theatre Company, Manhattan Theatre Club, and The Atlantic Theatre Company. He was the technical director at Cedar Lake Dance Company and the shop foreman at the Julliard School. Additional credits include Williamstown Theatre Festival, Maine State Music Theatre, The Huntington Theatre Company, American Repertory Theatre, PRG, The Silk Road Ensemble, and Holland America Cruise Lines through Showman Fabricators. Before Boston University, he taught Stage Craft at Purchase College.