Diploma, Anglo-Americano, Rio de Janeiro, 1973. Bachelor, University Lund, Sweden, 1980. Doctor of Philosophy, University Ulm, Germany, 1987.
Research assistant University Lund, 1978-1981. Laboratory engineer University Sao Paulo, Brazil, 1981-1982. Research associate University Ulm, 1987-1990, principal investigator, 1990-1994.
Chief Executive Officer Interactiva, Ulm, since 1995. Consultant Applied Biosystems, Foster City, 1992, Paul Hartmann AG, Heidenheim, Germany, since 1993.
Member RAN, Brazil, 1973.
Son of Jose de Barros and Nedda Ramalho O. Married Marcia da Silva Cardoso. Children: Jonas, Alice, Julia.