Nilgün Olguntürk is an associate professor and the acting chair of the Department of Interior Architecture and Environmental Design at the Faculty of Art, Design and Architecture, Bilkent University, Ankara, Turkey. She received her B.Arch. and MA in architecture and PhD in interior architecture. Her professional experience has included appointments as research fellow at the London South Bank University and as instructor at the Middle East Technical University. She has worked on research projects in the UK for NHS Estates (Department of Health) on color design in hospitals and EPSRC/DTLR LINK (Department of Transport, Local Government and the Regions) on color, visual impairment and transport environments. She has over ten years of research and experience on color perception, color preference and color design in interiors. Her current research and teaching include interior design studio, basic design, color and lighting, graduate studio and universal design. Her work has appeared in various journals such as Color Research and Application, Optics and Laser Technology, Building and Environment and Architectural Science Review.