Bachelor of Science in Chemistry and Biomedicine, Uppsala University, Uppsala, Sweden, 1980. Doctor of Philosophy in Environmental science, University of Kalmar, Kalmar, Sweden, 2003. Docent in Environmental Chemistry, University Kalmar, Sweden, 2004.
Research engineer Swedish Defence Research Agency, Umeå, Sweden, 1980—1981. Project manager Studsvik AB, Nyköping, Sweden, 1982—1988. Senior technical officer County Administration of Blekinge, Karlskrona, Sweden, 1989—1990.
Principal Tomas Öberg Konsult AB, Lyckeby, Sweden, 1990—1996. Managing director MultiSimplex AB, Karlskrona, Sweden, 1997—2001. Senior consultant Tomas Öberg Konsult AB, Lyckeby, Sweden, since 2001.
Sergeant Infantry, 1975-1976, Östersund, Sweden.
Member of Swedish Association of Graduate Engineers, Swedish Society for Risk Sciences, Swedish Chemical Society, Society of Environmental Toxicology and Chemistry, Society for Risk Analysis.
Married Christina Sjöberg, October 15, 1957. Children: Karin Ingegerd, Lars Einar, Erik Ingemar.