Richard Cadena is an ETCP Certified Entertainment Electrician and an ETCP Recognized Trainer with 30 years of experience in the entertainment lighting industry. He is the author of: Electricity for Entertainment Electricians & Technicians 2nd Edition; Automated Lighting: The Art and Science of Moving Light 2nd Edition; Lighting Design for Modern Houses of Worship; and Focus on Lighting Technology. Richard is also the Technical Editor for PLASA Media and a columnist for Lighting&Sound America, Lighting&Sound International, and Protocol magazines. As a freelance lighting designer and lighting consultant he has worked on concert tours, television, theatre, motion picture productions, and he has designed dozens of lighting systems for permanent installations. He is a member of IATSE Local 205.