Diane is the owner of Castilleja Cotton, a quilt pattern design company that has been in business since 1993. The company has over 600 patterns, many of which are designed for the novice quilter. After many years of sewing as a relaxing hobby, the world of quilting was revealed to Diane, who saw it as an opportunity to express some of her artistic ability.

Since then she has applied this creative artistry to create quilt patterns and original art quilts. She has an excellent ability to coordinate fabrics and colors into creative designs.  Her quilt patterns are available at many quilt stores across Canada, USA, New Zealand and Australia.