MARK KARLEN, AIA, ASID, is Chairman of the Interior Design Department at the Pratt Institute in Brooklyn, New York. In addition to an extensive career in architecture and interior design, he has dedicated many years to interior design education, including preparation courses for the professional licensing exam.

JAMES BENYA, PE, FIES, IALD, LC, is Principal of Benya Lighting Design of West Linn, Oregon. He is a professional lighting designer and consultant with more than thirty years of experience. His design work has been published in numerous industry magazines, and he has lectured extensively on the professional conference circuit.