Knitwear designer Joelle Hoverson is the owner of Purl, an upscale knitting supply store in New York City's trendy SoHo neighborhood. Since opening in 2002, Purl has been featured in Oprah Winfrey's O magazine, Lucky, and Time Out, as well as on Martha Stewart's syndicated television show. From 1996 to 2000, Hoverson worked as a senior style editor for Martha Stewart Living Omnimedia. She holds a master of fine arts degree from Yale University.