Graduated in BIology in the State University of Campinas- UNICAMP (1979), master’s and in Genetics and Molecular Biology from UNICAMP (1985) and Ph.D. in Genetics and Molecular Biology from UNICAMP (1990). Visitor Professor at NIEHS and USEPA. Full professor at State University of Campinas – Faculty of Technology -UNICAMP. Worked for 22 years for the Environmental Protection Agency of the São Paulo State of Brazil (CETESB). was president of the Mutagen Society Member of the Editorial Board of Environmental Molecular Mutagenesis journal. Is an expert and a member of the UNESCO-IHP INTERNATIONAL INITIATIVE ON WATER QUALITY – IIWQ Experts Advisory Group da. Has experience in environmental and regulatory toxicology, mutagenesis, ecotoxicology, toxicology of dyes and pesticides in water. Adjunct Professor at Wilson College of Textiles, NCSU, USA.