Ph.D University of Florida in 1999 in the analytical chemistry field. Reserach interest in atomic spectrometric methods (ICPOES, AAS and AFS), X-ray fluorescence spectrometry, Molecular photoluminescence (Fluorescence and phosphorescence, Voltammetry and developmento of electrodes, use of nanomaterials in analytical chemistry, metrologycal aspects of analytical methods. Coordinator of the Applied spectro-analytical and electro-analytical laboratory at Pontifical Catholic University of Rio de Janeiro, Brazil, since 2000.