Researcher and Professor at FGV EBAPE-RJ and responsible technician for ENADE's technical reports with INEP through the Cesgranrio Foundation. He holds a doctorate in Statistics from the Department of Statistics at Princeton University (1981), a master's degree in Applied Mathematics from the Institute of Pure and Applied Mathematics (1977) and a degree in Mechanical Engineering from the Technological Institute of Aeronautics (1974). He has experience in the area of ​​Population and Public Policies, with an emphasis on Social Security and Education, working mainly on the following themes: databases for public policies, educational assessments, differences by sex / race, health conditions, demography (statistical modeling) and mortality.