Master of Science, University Bucharest, 1981. Doctor of Philosophy in Combinatorics/Mathematics University Bucharest, 1996.
Probation professor High School, Bucharest, 1981-1984. Professor in ordinary High School G. Lazar, 1984-1988. Collaborator assistant professor Polytech.
University, 1984-1988, researcher mathematics, assistant professor, 1988-1990. Assistant professor, senior lecturer Dept Mathematics Academy Economic Studies, 1990-1999, associate professor Department Mathematics 1999—2006. Visiting researcher L'Equipe Combinatoire University Pierre et Marie Curie, Paris, 1990, 2000—2001.
Full professor, Mathematics Department Spiru Haret University, Bucharest, since 2006. Exterior consultant collaborator Romanian National Office of Tourism, Bucharest, since 1980. Board advisory Application Binary Interface, since 2001.
Sub lieutenant Romanian Artillery, 1981.
Member board, Computer Science Faculty Academy Economic Studies, Bucharest, 1996—2006. Member of AECB-SHR, Alliance Romanian Science (founding member 2003), American Mathematics Society (reviewer 2001), Romanian Mathematics Society (national executive committee since 1995).