Dr Luca De Stefano is a graduate in solid state physics and holds a Ph.D. in fundamental and applied physics. He is currently a Research Director at the Naples Unit of the Institute of Applied Sciences and Intelligent Systems of the National Research Council (ISASI NA – CNR), Italy, where he coordinates a small research group on nanostructured materials for biosensors and biomedical applications. He is a member of the Italian Society of Optics and Photonics, where he coordinates the Working Group on Optical Biosensors and Biophotonics.