Dr. Luc Schlangen is senior researcher at Eindhoven University of Technology, in the Intelligent Lighting Institute, department of Human Technology Interaction. His main interests include visual perception and light and health, and especially the neurobehavioral and neuroendocrine responses to light and lighting, both in lab and field settings (healthcare, workplaces, homes and education). Luc is Director of Division 6 “Photobiology and Photochemistry” of the International Commission on Illumination (CIE), and he actively contributes to international knowledge development, standardization and recommendations in the field of photobiology, light and lighting.