Chief Lighting Technician Expert. CHI-1958 is the owner and chief lighting technician of a production services company. He provides lighting, grip package, rigging, car mounts, and speed rail systems. He has worked on projects for feature films, television movies, mini-series, television programs, television commercials, and infomercials. CHI-1958 has also worked on interactive videos, music videos, industrial and corporate films, educationals, military films, studio development, and retrofitting.