He was a supervisory council member of Bergens Kreditbank from 1897 to 1922, Bergens Telefonkompani from 1903, Bergen Mekaniske Verksted from 1912 to 1920 (and deputy board member from 1920 to 1929), Det Bergenske Dampskibselskab from 1919 and Æolus from 1924.
Johan Christian Fabricius | Johan Galtung | Johan Petter Johansson | Johan Norberg | Johan Niclas Byström | Johan Museeuw | Johan Henric Kellgren | Johan de Witt | Johan Jeremiassen | Johan Gunnar Andersson | Johan Cruyff | Johan Bojer | Nils Johan Berlin | Johan Wohlert | Johan Vande Lanotte | Johan Svendsen | Johan Reinhard | Johan Jakobsson | Johan Ferrier | Johan Falkberget | Johan de Meij | Johan Banér | Ole-Johan Dahl | Lars Johan Hierta | Johan van Oldenbarnevelt | Johan Skytte Prize in Political Science | Johan Martin Preisler | Johan Lundbye | Johan Hultin | Johan Huizinga |