Welcome Katherine Young Interiors, IDS Professional Katherine Young Interiors is a full service residential design firm with almost a decade of design experience in the Charlotte, NC area. Katherine Young is a professional member of the Interior Design Society and has been a featured guest speaker at the Southern Spring Home and Garden Show for the past three years. Her prestigious interiors have been published in local magazines, and most recently in a coffee table book titled "Charlotte Designs". Her passionate love of her profession is evident in the commitment and detail she devotes to every project.