Jay O. Glerum (1939- 2014) held seminars on stage rigging throughout the United States, Canada, and Europe. A fellow of the United States Institute for Theatre Technology, he served as chair of the Rigging and Stage Machinery Standards Committee of the Institute and taught at Seattle University, Marquette University, and the University of Washington. He was president of Jay O. Glerum & Associates, Inc., a firm specializing in consulting for the entertainment industry.
Shane Kelly is professor and head of the theatre technology program at The Theatre School at DePaul University and is an Entertainment Technician Certification Program (ETCP) certified freelance rigger and OSHA Authorized General Industry outreach trainer. He has worked as production manager for the Chicago Symphony Orchestra, the Illinois Supreme Court Historic Preservation Society, and the DePaul School of Music Opera. He cofounded and served as executive director of Cloudgate Theatre and has worked as a technical director, carpenter, rigger, craftsperson, and sound and lighting designer at theaters all over the country and internationally.