Dr Christophe Martinsons is a physicist working in the field of optics and lighting at the Centre Scientifique et Technique du Bâtiment (CSTB) in Grenoble, France. He works for governments, public agencies, and municipalities to improve the quality of lighting installations through careful consideration of environmental impacts and human health effects. He is the current president of CIE France and a recipient of the 2024 Fresnel Medal awarded by the French Lighting Association. In 2026, he received the Walsh-Weston award from the CIBSE and the SLL for fundamental research in Lighting.