A woman sitting on a wooden chair with a turquoise cushion, wearing a black off-shoulder top, brown skirt, and black sandals. She has long hair and is looking to the side, with her legs crossed.

Elizabeth Costigan, a former jewelry designer and the great-granddaughter of a prolific lighting inventor, is the founder of EiC Lighting (est. 2022). Elizabeth designs UL-listed fixtures using distinctive materials, sourced through travel, and with a strong emphasis on quality and craftsmanship. From her Montana studio, she continues a legacy of innovation while shaping the future of design.