Diana Bennett Wirtz Kingsley, MA, ASID, IIDA, was formerly Professor of Interior Design at the Art Institute of Seattle in the United States. She has been a professional designer for over 30 years and owns a thriving interior design business, Amethyst Designs. Having completed her PhD, she is now a full time artist.

While a professional member of ASID and IBD, Jeanne Diehl-Shaffer was active in the administration and jury process for the NCIDQ exam. Her professional experience includes working as an interior designer for an architectural engineering firm, an interior architectural firm and a Herman Miller and Haworth dealer. In the past few years, she has become involved with Florida Tech's Foosaner Museum of Art and their education program, Indian River State College, Eastern State College, and now holds a full-time position at Seminole State College of Florida on the Interior Design Program.