Richard Cadena is a freelance lighting designer, lighting consultant, and the author of Automated Lighting: The Art and Science of Moving Light, Lighting Design for Modern Houses of Worship, and Focus on Lighting Technology. He has worked on concert tours, television, and theatre, and he has designed dozens of lighting systems for permanent installations. He is the technical editor for PLASA Media and a columnist for Lighting & Sound America, Lighting & Sound International, and Protocol, as well as a member in good standing of IATSE Local 205.