Marcello Picollo is a researcher at the Nello Carrara Institute of Applied Physics of the National Research Council (IFAC-CNR), Florence. He has developed methods and techniques for performing non-invasive analysis on works of art using UV-Vis-IR spectroscopy. He provides analytical support to conservators and curators at museums, galleries, and restoration laboratories. He supervises and performs tests and analyses on polychrome surfaces using non-invasive techniques. He is a laboratory staff supervisor (PhD students, junior fellows, interns, and technicians) and he monitors the environmental conditions of art exhibitions in galleries and churches.