de Jesus, J.R. holds a Ph.D.'s degree in Sciences with an emphasis in Analytical Chemistry from the University of Campinas (Unicamp, Brazil) (2018). Actually, he is an Assistant Professor in the Department of Chemistry from the Federal University of Viçosa (Minas Gerais, Brazil). De Jesus has experience in the field of bioanalytics, dealing in proteomics and metallomics studies and environmental analysis, as well as developing new materials and sample preparation methods to simplify complex samples. He acts as a Member of the Advisory Board of some scientific journals in the area.