Tiffany Hayes, known as the "Queen of Ombre," is a quilting fabric designer who publishes under the name "Needle in a Hayes Stack." She designs patterns for various fabric companies, including Andover Fabrics, and her work has been featured in publications such as Quilter's World Magazine and Keepsake Quilting. Hayes has also developed quilting tools like The Goddess Tool and co-authored the book "Splice Magic."