Doctor of Medicine, Rio de Janeiro Federal University, 1974. Master of Science, Rio de Janeiro Federal University, 1976. Doctor of Philosophy, Rio de Janeiro Federal University, 1978.
Assistant professor Rio de Janeiro Federal University, 1976-1981, associate professor, 1981-1993, director Institute Biophysics, 1990-1993, professor, since 1993. Professor, rector Norte Fluminense State University, Campos, Brazil, 1993-1995. State secretary for science and technical Rio de Janeiro, 1999—2002.
Deputy minister science and technical Government of Brazil, since 2003.
Member Brazilian Academy of Sciences, 3d World Academy of Sciences.
Married Marlene Benchimol, September 30, 1978. Children: Rodrigo Benchimol, Diogo Benchimol, Maira Benchimol.