CHRISTINE M. PIOTROWSKI, ASID, IIDA, has more than twenty years of commercial and residential design experience. She was an interior design professor at Northern Arizona University and currently provides consulting services to interior designers on business practices from Phoenix, Arizona. She was the 2004 winner of the ASID/Polsky Prize and is the author of the highly respected Professional Practice for Interior Designers, also from Wiley and soon to be in its fourth edition.ELIZABETH A. ROGERS, IIDA, formerly an interior design professor at Utah State University in Logan, continues her design practice through the firm S.O.I.