Bachelor in Language, University, Stockholm, 1973. Bachelor in Linguistics, University, Uppsala, Sweden, 1982. Master of Arts in African Linguistics, University, Uppsala, Sweden, 1994.
Special platoon (abc disaster aid & firefighting) Civil Defense, Uppsala, 1980—1995. Director undergraduate studies Department Afro-Asian Studies, 1985—1989. Senior lecturer Swahili Uppsala University, 1974—2002, professor, since 2002.
Visiting professor University, Copenhagen, Norway, since 1990, Trondheim, 1990.
Member of Nordic Association African Studies (secretary 1990—2010).
Married Irene Gunborg Carlsson.