Olaj Johan Olsen was a Norwegian jurist and politician.

He made a career as a civil servant in various government ministries. He was later promoted to serve as Minister of Justice and the Police

Minister of Justice and the Police (Norway)

In Norway, the Minister of Justice and the Police is the head of the Royal Norwegian Ministry of Justice and the Police and a member of Government of Norway. Current minister is Grete Faremo of the Norwegian Labour Party who is part of the second cabinet Stoltenberg...

 and Minister of Finance and Customs

Minister of Finance (Norway)

- 1st Ministry :- 5th Ministry :- Ministry of Finance, Trade and Customs :- Ministry of Finance and Customs :- Ministry of Finance :...

 in 1888 and 1889, member of the Council of State Division in Stockholm

Stockholm

Stockholm is the capital and the largest city of Sweden and constitutes the most populated urban area in Scandinavia. Stockholm is the most populous city in Sweden, with a population of 851,155 in the municipality , 1.37 million in the urban area , and around 2.1 million in the metropolitan area...

 from 1896 to 1897 and Minister of the Interior from 1897 to 1898.

He was also County Governor of Sogn og Fjordane from 1889. In 1902 he left this post to become burgomaster

Burgomaster

Burgomaster is the English form of various terms in or derived from Germanic languages for the chief magistrate or chairman of the executive council of a sub-national level of administration...

 of his hometown Bergen

Bergen

Bergen is the second largest city in Norway with a population of as of , . Bergen is the administrative centre of Hordaland county. Greater Bergen or Bergen Metropolitan Area as defined by Statistics Norway, has a population of as of , ....

.