Bruno Viana is a Senior Scientist—Director of Research at the CNRS—and works at Chimie-Paristech, PSL Université. He obtained a PhD degree in Materials Science at University P&M Curie, Paris in 1987. He was laureate as CNRS researcher in 1988. In 2003, he became Director of Research at the French Research council CNRS. In 2010-2013, he was the head of the “Photonics Research Group”. In 2014, he became responsible for the CNRS research network CMDO+ (http://cmdo.cnrs.fr/). Dr Bruno VIANA is currently working on the preparation and the characterization of optical materials for photonics. The applications studied include lasers, scintillators, lighting, sensors, and bioimaging.