Mário Berberan e Santos is Full Professor of Physical Chemistry, Materials and Nanosciences at Instituto Superior Técnico, University of Lisbon. He is a Chemistry Europe Fellow (class of 2018/2019), Fellow of the Royal Society of Chemistry and member of the Editorial Advisory Boards of several journals, including Methods and Applications in Fluorescence (Institute of Physics, UK), and Journal of Photochemistry and Photobiology (Elsevier), author/editor of three books, including Molecular Fluorescence. Principles and Applications (with Bernard Valeur, Wiley-VCH, 2nd ed. 2012), and author/co-author of over 220 articles and book chapters, and 4 patents. His work has received ca. 17,000 citations, with an h-index of 47 (Google Scholar) and was included in the “World’s Top 2% Scientists 2022”. Mario Berberan e Santos has carried out theoretical and experimental work on molecular photophysics and kinetics, including luminescent molecular probes, fluorescence polarization, radiative and nonradiative (FRET) electronic energy transfer and transport in synthetic and biological systems, the kinetics of diffusion-influenced processes, and the photophysics of carbon materials.