Her work is centered around health design research and examines the intersection of people, processes and the built environment. Currently, her research utilizes post-occupancy evaluation to assess the design of healthcare spaces and their impact on care delivery. It further implements this methodology as a learning tool and immersive learning experience for interior design students. Fay has worked with healthcare professionals, designers, patients and students on a number of funded research endeavors. She is a frequent presenter at national and international conferences and has been published in a number of peer-reviewed journals.