Chaimovich is Senior Professor of Biochemistry, Institute of Chemistry, U. São Paulo, Brazil; Advisor, Scientific Directorate of the São Paulo Research Foundation (FAPESP). Former positions: Vice-President of the Brazilian Academy of Sciences, President of the Brazilian Science and Technology Council, CNPq. His research focuses fundamental and applied aspects of surfactant aggregates in Chemistry and Biochemistry, including experimental and theoretical analysis of specific ion effects on shape transitions of surfactant aggregates. Prizes and Distinctions: Brazilian Order for Scientific Merit; TWAS Medal; Commandeur dans l'Ordre des Palmes Académiques, France; Scopus Prize, Elsevier. He is a member of the Academies of Science of Brazil, Chile, Latin-America and Venezuela and Fellow of the American Association for the Advancement of Science (USA).