Prof. Dr. Jefferson Santos De Gois works at Rio de Janeiro State University (UERJ), where he holds a permanent position as a professor. He obtained his doctorate in Chemistry (2016) from Ghent University (Belgium) and the Federal University of Santa Catarina, UFSC (Brazil). His research interests are developing analytical methods and instrumentation for atomic spectrometry and chromatography, as well as chemometrics applications (design of experiments, pattern recognition, and multivariate calibration). He currently coordinates the research group “Espectrometria atômica, Molecular e Métodos de Separação”.