Dr. Julien Massue received his Ph.D. from the University of Rennes, France in 2005 under the guidance of Prof. D. Lorcy and Dr. N. Bellec, followed by several postdoctoral stays in the groups of Prof. T. Gunnlaugsson (Trinity College Dublin, Ireland), Prof. D. Sames (Columbia University, New York, USA), and Drs. C. Andraud/C. Monnereau (ENS Lyon, France). Since 2011, he is Chargé de Recherche CNRS (associate researcher) at ICPEES/ECPM-University of Strasbourg, France. In 2017, he obtained his habilitation and was the recipient of a JSPS long-term fellowship at Nagoya University, Japan. His current research interests lie in the development of functional fluorophores for bioimaging, sensing, and security inks.