Master of Science, Chalmers University of Technology, 1972. Doctor of Philosophy in Measurement Technology, Linköping (Sweden) University, 1987.
Research assistant Linköping University of Technology, 1972-1974. Research engineer Swedish Road & Transport Research Institute, Linköping, 1974-1980. Principal research scientist Swedish Road & Traffic Research Institute, since 1980.
Owner/president Informex Ejsmont & Sandberg Handelsbolag, Kisa, since 1990. Adjunct professor Chalmers University of Technology, Gothenburg, since 2002.
Member parliament Kinda Commune, Ostergötland, Sweden, 1982-1993, chairman school board, 1985-1992. Chairman communal group The Moderate Party, Kinda, Ostergötland, 1988-1993. Member International Organisation Standardization (chairman 3 groups since 1993), East Gothia Astronomical Society (secretary since 1980).
Son of; married Christina Broander, October 4, 1969 (divorced). Children: Ulrika, Kristian, Sofia. Married Mehri Djavanroudi, 1997.