Bonnier was president of Åhlen & Åkerlunds tidskriftsförlag 1957-1978 and 1980-1982 and then became chairman of the board of Bonniers Tidskriftsförlag.
Bonnier was president of Åhlen & Åkerlunds. This Åhlen & Åkerlunds was tidskriftsförlag 1957-1978. This Åhlen & Åkerlunds was tidskriftsförlag 1980-1982. Bonnier then became chairman of the board of Bonniers Tidskriftsförlag.