Party affiliation: Social-democrat
Olle Pettersson, Swedish agricultural researcher. Member Enköping City Parliament, 1974-2000, speaker, 1994-1998, member city government, 1988-1994. Member American Association for the Advancement of Science, Society for Environmental Geochemistry and Health, Royal Swedish Academy of Agriculture and Forestry, since 1995.
- Extension specialist Swedish University Agricultural Sciences, Uppsala, 1977-1981, 87—, advisor university board, 1985-1987. First secretary governments committee Sweden, 1982-1985.