Career
After his brother"s death in 1912, he led the firm alone. He was the grandfather of Joachim Rønneberg and also the great-grandfather of Joakim Lystad.
After his brother"s death in 1912, he led the firm alone. He was the grandfather of Joachim Rønneberg and also the great-grandfather of Joakim Lystad.
He was mayor of Ålesund in 1896, deputy mayor 1893–1895 and 1897–1901, and deputy member of parliament 1889–1891. He was a member of the Rønneberg family, the leading family and largest employer of Ålesund.